I just love the way your reefing journey has improved throughout the years. You tank has certainly turned into one of my favorites and you are an inspiration for me.
Thank you, you are too kind -- it has been a lot of fun for me learning the last few years, it's a great feeling that when I add a coral now, I am 85% confident things will turn out OK at least for the short term... still working on that last 15% 😂
@@InappropriateReefer our tanks always make us work for it lol. Wish I still lived in DC so I could be apart of the clubs. Maybe one day soon I will visit Steve up at tropical lagoon in ss.
That purple tang was so special but once i saw him hiding and dodging i knew he wouldn't fair well unless the yellow was removed... sad. Oh well. I know you tried and i did chuckle about the printed pictures. I didn't get attached to your clowns like i did your frog fish. ~ Keep up the good work and great content. 👍🏼
You must be rich! I see the cooler full of Moonshine. 😮😅 Fancy KH monitor. Woot Woot! Gold bars buried in the back yard? 😁. Do you feed tangs Nori? I’m looking at your Yellow Tang and it looks too thin. My Purple and Yellow are thick and fat.
I have to say that your skills have improved tremendously, everything looks great. Everything looks so mature, and I imagine that you will have to do serious pruning to your colonies. Do you think that not having to come out with weekly content, allowed you to just let everything settle and stabilize? Whatever the reason, keep it up, your tank is awesome.
Your tank is looking amazing! I have been watching since you did the budge reef and I like how you document not, only your successes but, also your struggles. It makes me feel better about my tank lol. I always say my tank is nothing but a science experiment. I still can not grow acros well. Some take off and other melt away. I have been reefing for 4 years, I am convinced some people are just blessed 😂
Hey man, as you can see, I still lose random corals after 15+ years. 😅 I have a feeling that it also has to do with the age of the system, things just tend to get easier after the 1 - 1.5 year mark. This tank was as rocky as my last one during that first year...
Still using Mississippi Lime (food grade one) with no issue! Mixing new batch every 4 days. If you can’t get the huge bag or think it’s too ridiculously sized, check out Avast Marine’s Kalk offering, same exact thing but in bucket portion.
Cool idea, I'll see if Hanna Alk & Salifert Ca test kits work w/ freshwater and try. Otherwise I'd be keeping the same dosing regiment for my reef tank during the switch and will be monitoring the Alk level (daily tests through Alkatronic) and Ca level once in awhile (ICP), I should be able to spot it's shortcoming if the potency does not measure up.
@@InappropriateReefer u can mix a small amount in saltwater vs the brs brand since u have it. just do the math 4 both in 1gallon each... use an accurate scale from the kitchen.
@@spicyreef Mok-Yi would need to use a large enough saltwater sample from his tank mixed with a representative dose of kalk to read alk. From : reefstable.com/blog/stabilize-reef-tank-ph-kalkwasser - When Calcium Hydroxide (Kalkwasser) mixes with the Carbonic Acid in the water, it produces calcium carbonate and water (and a spare hydrogen ion). Ca(OH)2 + H2CO3 => CaCO3 + 2 H2O + H When the calcium carbonate reacts with CO2 and water, it produces calcium bicarbonate. This calcium bicarbonate is then used to help coral grow their skeleton. Additionally, the Calcium Hydroxide can directly interact with CO2 to produce calcium bicarbonate. CaCO3 + CO2 + H2O => Ca(HCO3)2 Ca(OH)2 + 2CO2 => Ca(HCO3)2 As you can see, there is an addition of carbonate and bicarbonate. Both carbonate and bicarbonate are "Alkalinity". In reef tanks, we measure Carbonate Alkalinity, which is the measure of how many carbonate and bicarbonate anions in the water.
@@spicyreef ok I understood 50% of what @telegraham wrote... so realistically I'd just be monitoring the tank's parameters with the exact same dosing regiment and see if there is anything that changes with Alk & ICP tests... 😂
@@InappropriateReefer main reason I ask is I'm curious about PH, ph in fully saturated RODI kalkw mix is 12ish, what is the ph in mississippi fully saturated...?
Not using the the probe ports on your X4 controller?? Add a ORP and PH probe on their champ, even if you already have a PH probe you should run 2 in your tank so you know when the probes start to wander and need calibration or replacement. ORP probe can be used to dose Ozone into the skimmer, if you don't use ozone it will also tell you when something has died in the tank.
Thanks, I like the idea and thought about adding another pH probe. I'll pick one up this black friday -- eyeing those nice Atlas Scientific double junction ones...
@@InappropriateReefer Milwaukee SE220 seem to be the most reliable double junction probes under $200USD each. Even the cheapest ORP probe is still made from platinum so any old probe will do for it.
Good afternoon I have a question I have a 90 gallon Reef Tank how many Radion XR15 G6 Pro will be appropriate and I am trying to grow SPS but it will be a mix Reef Tank
Nothing new. The difference is in the purity. BRS has a higher price because it of the grade. Is it worth it🤷. Is Tropic Marin Pro worth the cost compared to Instant Ocean? 20 years ago it was Mrs.Wages picking lime was the cheapest for a 50lb bag.
Absolutely, I'm also curious the difference between the food vs. pharma grade and whether it's worth it depending on the media... kalk I have a strong feeling that food grade is plenty good enough. Salt though, I'd also weigh in the cost of having to add back the lowered trace elements in IO compared to a more reef-focused salt, would the price difference be as much. (I don't know the answer, just a thought) Personally I jump between salt brands and don't do much water change, the running cost is not as high for me so I never dug deep on this subject... yet!
That BRS marketing is strong. Besides their own testing, I've seen no grade data, no C of A, no lot data, and no published raw material testing. "Pharma" on the bag, with no data, is marketing until proven otherwise.
Quick question about your CO2 scrubber? I noticed you are using an ice cap, do you have your intake line in the middle port or outer port on the scrubber? There seems to be some debate as to whether the air should be drawn from the top through the media, or from the side port coming through the bottom of the media. Thank you!
Great video topic. I was using Brightwell Kalk +2, but the price went up too. The cheapest shipping option to Hawaii for a BRS 4# bag is $27. (Hawaii never qualifies for free shipping from BRS) I ended up going with Mrs. Wages 4# bag $27 shipped to Hawaii. I wish you also included a Budget option for 2-part dosing. I've never made my own soda ash, but I should look into it..
Beautiful tank! I've been watching since the early days of the JBJ cube! Question, I noticed you seem to not really deal with ich? Do you ever have small "outbreaks" if so, what do you to to help your fish?
Is this the non-existant copper mentioned by BRS, the higher levels of arsenic in BRS' kalkwasser, or maybe you're meaning the nonexistent impurities in slurry that haven't surfaced since several of us restarted the cost saving and accessible method? Impurities in slurry = flat earth. Never wonder. Just test.
Yes I do dose Part A as supplement to Kalk. I do Calcium correction every month or so instead of dosing part B, as that would introduce trace elements that I am dosing separately.
I missed afew videos, but man has your tank filled out. I've been working on a tank build for about 2 years. Realize that sounds crazy, but when I first got into reefing I bought 2 used tanks (both were the newer 32 gal biocubes, 1 was practically brand new). However, both tanks ended up cracking in the same exact location of the tank. Don't know why, both events happened in different locations months apart from one another, guessing it has something to do with the curved glass, but after losing everything in my tank, having to start over + flooding our place...twice, I couldn't take the risk again and since then I've been squirreling away parts as I can afford them. Like you though, I'm probably going to have a "main tank", and then use 1-2 AIO Nanos as quarantine/nursery tanks. As I've seen in your own videos, sometimes some corals just aren't happy and moving them into another system will do the trick (plus it's nice having other established systems in case something unexpected happens....like your tank cracking lol). I haven't gotten to some of the tricks and toys your using yet, but it's kind of nice because it gives me something to research and look forward to. We don't have a Reef Club in my area, so you as well as other YTers are my Reef Sensi's, so thanks for the knowledge 😁 [Random topic, don't know if you've said this before in past videos but what career are you in? I'm enrolling in college this semester and it's a question I've been asking more and more people as I look further into my own future]
It's perfectly safe. I did the same thing last year and have run ICPs with no elevated heavy metals detected. The impurities are things like calcium and magnesium. It's on the chemical data sheet. BRS has to justify their exorbitant pricing somehow. That's why they didn't mention that the impurities are things you're dosing anyway. I would've stuck with BRS until Bertram Capital took over and doubled the prices of their additives.
Thank you for your vote of confidence with the Mississippi Lime! To BRS's credit, Ryan did mention that the impurities would likely go into the solid and not dosed anyways, and were pretty up-front about the other brands of kalk (though I am not sure if they used the food grade version). I am with you though, if the price did not rise, I would be fine paying a bit more even just for the peace of mind.
Food grade vs lab grade.. nice discussion Mok-yi. You have definitely shown people that you don’t have to pay top $$ for food grade kalk but imo when it comes to salt there are differences in quality.
Had to skip back to see you first settings up this system. You've come so so far in just a couple years with this tank! Great content👍🏻👍🏻👍🏻. Lovely family🥰. Making me want to up my reefing game! X (One thing I'd like to know is the total system cost/value if you bought everything Vs being sponsored?)
There's high chance that Mississippi calcium hydroxide is the same as brstv calcium hydroxide. Only difference is repackaging and selling it more expensive.
Been using the BRS diy 2 part mix....soda ash varient and been happy with it.. ph very high like you're using kalk....something I'd look into....purely to eliminate the excess kalk equipment and co2 scrubber....
Interesting, did not know the Soda Ash has high pH as well. I am dosing ATI Part A for the Alk supplement, I may switch over to BRS' if it does have that pH benefit as well!
the sad part is i am glad my fish die like 2 years ago or i will have to eather find someone to give them or put them down, pet shop's here don't take them.
Surprised you have low nitrate issues in that tank with so many fish ....either way looks dialed dude....I wanna hear more about the reef moonshiners....I'm sure you're sponsored by them but I really want to know it's all really worth it....I do some minor element dosing but not nearly that many
Oh no, my Po4 and No3 are high these days! There was a stretch of time that this tank went through low nutrients and I had to dose nutrients. Those days were long gone. 😝 I am actually not sponsored by the Reef Moonshiners, just another happy customer! I think it's worth it for me especially seeing the transformation with the SPS corals but it is an investment. I think Andre did the math and it came out to around $20 a month for a 100g tank for supplements, the more $$$ part is the semi-regular ICP tests. You can learn more by getting their free handbook, it details everything you need to know & do: www.reefmoonshiners.com/handbook-tools Overall I like the program a lot, the only down side is the $ 😆
I just love the way your reefing journey has improved throughout the years. You tank has certainly turned into one of my favorites and you are an inspiration for me.
Thank you, you are too kind -- it has been a lot of fun for me learning the last few years, it's a great feeling that when I add a coral now, I am 85% confident things will turn out OK at least for the short term... still working on that last 15% 😂
@@InappropriateReefer our tanks always make us work for it lol. Wish I still lived in DC so I could be apart of the clubs. Maybe one day soon I will visit Steve up at tropical lagoon in ss.
OMG I loved your established title read.. was not ready for that
Cool, I just ordered that same 5lb jug of soda lime for air scrubbing my office. No more sleepy time for this guy!
Great video mr Inappropriate 👊👌🥰🐶
You can do multiple tail spot blennies
I did not know this, this could be interesting. Thank you!
Been using pickling lime spiked with a little bit of distilled vinegar for years with no issues.
Does the vinegar help dissolve more of the pickling lime, or make it more potent?
Very good,you getting good colours on the corals👍
Another cost cutting item is bathroom tile for frag tile. Just be sure that they are 100% ceramic with no mold inhibitors or anything.
Thanks, solid tip if I ever get to become a coral farmer!
This is the definition of a mixed tank. so much going on in there 😂
That purple tang was so special but once i saw him hiding and dodging i knew he wouldn't fair well unless the yellow was removed... sad. Oh well. I know you tried and i did chuckle about the printed pictures. I didn't get attached to your clowns like i did your frog fish. ~ Keep up the good work and great content. 👍🏼
Hi, I love all of tour videos, loudwolf do not have Sodium Nitrate anymore, where we can get similar product for the DIY dosing Nitrate?
Please wear an n95 dust mask minimum when you are pouring things like this that are dusty!
Yes sir, I will do that next time!! 🙏
You must be rich! I see the cooler full of Moonshine. 😮😅 Fancy KH monitor. Woot Woot! Gold bars buried in the back yard? 😁. Do you feed tangs Nori? I’m looking at your Yellow Tang and it looks too thin. My Purple and Yellow are thick and fat.
I have to say that your skills have improved tremendously, everything looks great. Everything looks so mature, and I imagine that you will have to do serious pruning to your colonies. Do you think that not having to come out with weekly content, allowed you to just let everything settle and stabilize? Whatever the reason, keep it up, your tank is awesome.
Reef looking super dope!!!
Really enjoy your videos, very inspiring. And I like how you involve your lovely family. Keep up the great work.
Your tank is looking amazing! I have been watching since you did the budge reef and I like how you document not, only your successes but, also your struggles. It makes me feel better about my tank lol. I always say my tank is nothing but a science experiment. I still can not grow acros well. Some take off and other melt away. I have been reefing for 4 years, I am convinced some people are just blessed 😂
Hey man, as you can see, I still lose random corals after 15+ years. 😅 I have a feeling that it also has to do with the age of the system, things just tend to get easier after the 1 - 1.5 year mark. This tank was as rocky as my last one during that first year...
Established Titles - I was not expecting that!😂 Laird of the Reefs 😎
Nice tank. Great job!
Man this has been a good year for you! Best wishes for the next!
Are you still using Mississippi lime? Interested on hearing an update on using that instead of brs kalk. Thanks!
Still using Mississippi Lime (food grade one) with no issue! Mixing new batch every 4 days. If you can’t get the huge bag or think it’s too ridiculously sized, check out Avast Marine’s Kalk offering, same exact thing but in bucket portion.
I would have liked to see U do an Alk & calcium test on the Mississippi mix before it goes into the tank...
Cool idea, I'll see if Hanna Alk & Salifert Ca test kits work w/ freshwater and try. Otherwise I'd be keeping the same dosing regiment for my reef tank during the switch and will be monitoring the Alk level (daily tests through Alkatronic) and Ca level once in awhile (ICP), I should be able to spot it's shortcoming if the potency does not measure up.
@@InappropriateReefer u can mix a small amount in saltwater vs the brs brand since u have it. just do the math 4 both in 1gallon each... use an accurate scale from the kitchen.
@@spicyreef Mok-Yi would need to use a large enough saltwater sample from his tank mixed with a representative dose of kalk to read alk.
From : reefstable.com/blog/stabilize-reef-tank-ph-kalkwasser - When Calcium Hydroxide (Kalkwasser) mixes with the Carbonic Acid in the water, it produces calcium carbonate and water (and a spare hydrogen ion).
Ca(OH)2 + H2CO3 => CaCO3 + 2 H2O + H
When the calcium carbonate reacts with CO2 and water, it produces calcium bicarbonate. This calcium bicarbonate is then used to help coral grow their skeleton. Additionally, the Calcium Hydroxide can directly interact with CO2 to produce calcium bicarbonate.
CaCO3 + CO2 + H2O => Ca(HCO3)2
Ca(OH)2 + 2CO2 => Ca(HCO3)2
As you can see, there is an addition of carbonate and bicarbonate. Both carbonate and bicarbonate are "Alkalinity". In reef tanks, we measure Carbonate Alkalinity, which is the measure of how many carbonate and bicarbonate anions in the water.
@@spicyreef ok I understood 50% of what @telegraham wrote... so realistically I'd just be monitoring the tank's parameters with the exact same dosing regiment and see if there is anything that changes with Alk & ICP tests... 😂
@@InappropriateReefer main reason I ask is I'm curious about PH, ph in fully saturated RODI kalkw mix is 12ish, what is the ph in mississippi fully saturated...?
Where did you get that turkey baster?? I need a decent one!
This one was from a loooong time ago! Let me see if I could find out what it was. It also has an extension nozzle which worked well
❤ your video’s!!
Good vidéo 👍
It looks so good.
You should make a video on the current fishes you have and/or fishes you are planning to get.
Solid idea, thank you! There are going to be a few fish transfer between the two tanks, perfect time to go over a fish list.
Not using the the probe ports on your X4 controller??
Add a ORP and PH probe on their champ, even if you already have a PH probe you should run 2 in your tank so you know when the probes start to wander and need calibration or replacement. ORP probe can be used to dose Ozone into the skimmer, if you don't use ozone it will also tell you when something has died in the tank.
Thanks, I like the idea and thought about adding another pH probe. I'll pick one up this black friday -- eyeing those nice Atlas Scientific double junction ones...
@@InappropriateReefer Milwaukee SE220 seem to be the most reliable double junction probes under $200USD each. Even the cheapest ORP probe is still made from platinum so any old probe will do for it.
Love you, please don't transfer the kalk like that again. Love, your lungs 🤣
😂Thank you for keeping me alive, lungs! I will be more careful!
How many pounds is the 5gal jug of soda line? Trying to understand how much it is compared to brs.
Those are 6g buckets, and the bag of calcium hydroxide was 50lbs.
Excellent video are you running a calcium reactor
Thank you Tee, no Calcium Reactor yet! Hoping to stay with dosing for as long as possible
Good afternoon I have a question I have a 90 gallon Reef Tank how many Radion XR15 G6 Pro will be appropriate and I am trying to grow SPS but it will be a mix Reef Tank
Nothing new. The difference is in the purity. BRS has a higher price because it of the grade. Is it worth it🤷. Is Tropic Marin Pro worth the cost compared to Instant Ocean? 20 years ago it was Mrs.Wages picking lime was the cheapest for a 50lb bag.
Absolutely, I'm also curious the difference between the food vs. pharma grade and whether it's worth it depending on the media... kalk I have a strong feeling that food grade is plenty good enough. Salt though, I'd also weigh in the cost of having to add back the lowered trace elements in IO compared to a more reef-focused salt, would the price difference be as much. (I don't know the answer, just a thought) Personally I jump between salt brands and don't do much water change, the running cost is not as high for me so I never dug deep on this subject... yet!
That BRS marketing is strong. Besides their own testing, I've seen no grade data, no C of A, no lot data, and no published raw material testing. "Pharma" on the bag, with no data, is marketing until proven otherwise.
Mississippi lime does not sell by the bag. Where did you purchase your 50lb bag of calcium hydroxide?
never mind, i see the link 🙂
Do you feed at night? I noticed I have some fish that are a bit more active at night that can't really get food when the bigger fish are out
I usually feed during the day; I tried doing it at night but it seems like most corals that should be awake and feeding all went to bed instead, lol!
Quick question about your CO2 scrubber? I noticed you are using an ice cap, do you have your intake line in the middle port or outer port on the scrubber? There seems to be some debate as to whether the air should be drawn from the top through the media, or from the side port coming through the bottom of the media. Thank you!
Great video topic.
I was using Brightwell Kalk +2, but the price went up too.
The cheapest shipping option to Hawaii for a BRS 4# bag is $27. (Hawaii never qualifies for free shipping from BRS)
I ended up going with Mrs. Wages 4# bag $27 shipped to Hawaii.
I wish you also included a Budget option for 2-part dosing. I've never made my own soda ash, but I should look into it..
btw nice trick with the turkey baster and the shrooms!! Gotta remember that next time!
Hey at least you're living in paradise! 😎
Beautiful tank! I've been watching since the early days of the JBJ cube! Question, I noticed you seem to not really deal with ich? Do you ever have small "outbreaks" if so, what do you to to help your fish?
Makes you also wonder about the long term viability of people dosing kalk milk because all those impurities are in the milk too 😅
Is this the non-existant copper mentioned by BRS, the higher levels of arsenic in BRS' kalkwasser, or maybe you're meaning the nonexistent impurities in slurry that haven't surfaced since several of us restarted the cost saving and accessible method? Impurities in slurry = flat earth. Never wonder. Just test.
welp here we go! 🍿
Do you does part A and part B in addition to the kalk?
Yes I do dose Part A as supplement to Kalk. I do Calcium correction every month or so instead of dosing part B, as that would introduce trace elements that I am dosing separately.
I missed afew videos, but man has your tank filled out. I've been working on a tank build for about 2 years. Realize that sounds crazy, but when I first got into reefing I bought 2 used tanks (both were the newer 32 gal biocubes, 1 was practically brand new). However, both tanks ended up cracking in the same exact location of the tank. Don't know why, both events happened in different locations months apart from one another, guessing it has something to do with the curved glass, but after losing everything in my tank, having to start over + flooding our place...twice, I couldn't take the risk again and since then I've been squirreling away parts as I can afford them.
Like you though, I'm probably going to have a "main tank", and then use 1-2 AIO Nanos as quarantine/nursery tanks. As I've seen in your own videos, sometimes some corals just aren't happy and moving them into another system will do the trick (plus it's nice having other established systems in case something unexpected happens....like your tank cracking lol).
I haven't gotten to some of the tricks and toys your using yet, but it's kind of nice because it gives me something to research and look forward to. We don't have a Reef Club in my area, so you as well as other YTers are my Reef Sensi's, so thanks for the knowledge 😁
[Random topic, don't know if you've said this before in past videos but what career are you in? I'm enrolling in college this semester and it's a question I've been asking more and more people as I look further into my own future]
What kind of par are your sps getting? Thanks
Did i hear that right, that you only feed one time per week?
I'll add to the likely hundreds of others who had bad times with their filefish. 😎👍
Welcome to the club!
@@InappropriateReefer
They're great, until they're not.
That was one of my wife's favorite fish also, it was a tough one to let go.
It's perfectly safe. I did the same thing last year and have run ICPs with no elevated heavy metals detected. The impurities are things like calcium and magnesium. It's on the chemical data sheet. BRS has to justify their exorbitant pricing somehow. That's why they didn't mention that the impurities are things you're dosing anyway. I would've stuck with BRS until Bertram Capital took over and doubled the prices of their additives.
Thank you for your vote of confidence with the Mississippi Lime! To BRS's credit, Ryan did mention that the impurities would likely go into the solid and not dosed anyways, and were pretty up-front about the other brands of kalk (though I am not sure if they used the food grade version). I am with you though, if the price did not rise, I would be fine paying a bit more even just for the peace of mind.
Food grade vs lab grade.. nice discussion Mok-yi. You have definitely shown people that you don’t have to pay top $$ for food grade kalk but imo when it comes to salt there are differences in quality.
Had to skip back to see you first settings up this system. You've come so so far in just a couple years with this tank! Great content👍🏻👍🏻👍🏻. Lovely family🥰. Making me want to up my reefing game! X
(One thing I'd like to know is the total system cost/value if you bought everything Vs being sponsored?)
There's high chance that Mississippi calcium hydroxide is the same as brstv calcium hydroxide. Only difference is repackaging and selling it more expensive.
500th like right here 😁🤘
Been using the BRS diy 2 part mix....soda ash varient and been happy with it.. ph very high like you're using kalk....something I'd look into....purely to eliminate the excess kalk equipment and co2 scrubber....
Interesting, did not know the Soda Ash has high pH as well. I am dosing ATI Part A for the Alk supplement, I may switch over to BRS' if it does have that pH benefit as well!
@@InappropriateReefer it does....my apex read 8.3 - 8.4+ daily on only dosing (part 1) soda ash only for alk and PH boosting....
Look prehistoric in your aquarium
Yes, BRS is getting too greedy. I am looking for budget options as well. I will have to take a 2nd mortgage out If I keep buying from BRS.
Counting down! 59.58.57…….
Thanks for watching buddy!
I want that mask
Food Grade but somehow not safe to work with.
😂😂
the sad part is i am glad my fish die like 2 years ago or i will have to eather find someone to give them or put them down, pet shop's here don't take them.
Hey inappropriate reefer, research Established Titles there actually a scam. 😢
What’s the name of the clowns
Just send out a icp test that I got from Chris meckley at aquashella. How often do you do them?
I do ATI ICP every 3 months; may switch over to Reef Moonshiner's own brand soon and compare! Curios how you like ACI's!
@@InappropriateReefer I’ll let you know when I get results
Surprised you have low nitrate issues in that tank with so many fish ....either way looks dialed dude....I wanna hear more about the reef moonshiners....I'm sure you're sponsored by them but I really want to know it's all really worth it....I do some minor element dosing but not nearly that many
Oh no, my Po4 and No3 are high these days! There was a stretch of time that this tank went through low nutrients and I had to dose nutrients. Those days were long gone. 😝 I am actually not sponsored by the Reef Moonshiners, just another happy customer! I think it's worth it for me especially seeing the transformation with the SPS corals but it is an investment. I think Andre did the math and it came out to around $20 a month for a 100g tank for supplements, the more $$$ part is the semi-regular ICP tests. You can learn more by getting their free handbook, it details everything you need to know & do: www.reefmoonshiners.com/handbook-tools
Overall I like the program a lot, the only down side is the $ 😆
establishd titles is a scam and even if its not, the words you used to advertised it is incorrect.