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External Bell Siphon for Multiple Aquaponic Grow Beds
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- Опубликовано: 4 ноя 2016
- Hi Folks. Here's my take on an external bell siphon for multiple aquaponic/hydro grow beds.
A system like this would work great with the vertically cut ½ barrel beds or a bed around the 100L/26gal mark. You would need to increase the drain pipe diameter if you were to join beds made from IBC tanks/totes I would think.
I decided to go with the drain in the base of the barrels as I figured that the water pressure will help with a more complete draining of the beds.
Will be posting at least one more version of multiple beds using a single siphon next weekend if all goes well.
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Hope you enjoyed the clip & your garden is booming.
Cheers all,
Rob
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That's an excellent idea! It gives me a ton of new ideas for the new growbeds that I want to install in my own system. I like the fact that you can put the external siphon anywhere in the system, and you only have to tweak one siphon, and not a bunch of different individual ones.
One Siphoon, Multiple Beds! Man this is awesome! Love IT! Simple and effective build and very well explained! Kudos!
Hope it gives you a few useful ideas to play with.
Cheers TDD. 👍
You are an inspiration and we have been wanting to grow microgreens with flood irrigation instead of top water. Your system should make this work. Thanks.
Hope they grow well for you. 👍
Cheers.
I've been drilling holes wrong for too many years. Thanks Rob for the tip on backward cutting the UniSeal holes in the plastic. Dude you just saved me from so many future wrist slams and wonky cuts.
This year I should be connecting 3 or 4 100-gallon shale beds to a master drain siphon bucket. All the parts are back there in the yard, just need to decide on layout and set up some level stands. I ran a 300gal bed constant flow happily for a few years but it started leaking :(
Glad the clip has helped in some way sminstudios. 👍 Have fun with the build too mate. Will be playing around with ours & my parents systems soon & will be posting updates along the way.
Cheers.
Thats a really smart idea! When (if) I get an aquaponics system going I'll definitely do this! Seems to make things a log more simple and clean
Thanks for sharing!
I think it looks a lot better having the drains in the base.
Cheers mate & have fun with the build Adan 👍
Thanks for showing us the way you are doing this :)
Thanks for this idea. Saw this video couple of years back and finally managed to built my own remote siphon system during the recent lockdowns. Been running it for about 5 months now. Cheers mate.
I absolutely LOVE your garden. I don't know about where you are, but around here many hardware stores carry "long radius" elbows. I find they flow even better than a pair of 45s connected together. They also give you a slightly shorter distance between parallel pipes in a 180 degree installation if you want it. You could search availability for future projects if you're interested.
Hey Ron. I can't find them for the pressure pipe I use here in Australia. I like to use the pressure pipe instead of drain pipe where I can as the drain isn't rated for drinking water here.
Cheers mate.
You are the best 💕
Cheers Gibrilla. 😁
Thanks. Just proved that your traditional bell siphon in each bed uses less materials, easier/faster than trying to "save" by linking 2 beds to one siphon. (Your' unstated message?') :^)
Hi there. They actually work out to be about the same if you source parts from Bunnings. Just costed them out & there is less than $2 between them with the multiple bells coming in at $120.27 & the single at $119.62. Have the list available too btw.
If you shopped around you could get the parts a lot cheaper than that BTW. One irrigation retailer I use is 30-50% cheaper than the large retail chains ;)
Like I said in the clip, was using what was on hand so for me this was the cheaper option ;) Can think of about 3 other ways to set up a series of beds like this.
Cheers mate.
Just did a proper costing for another chap & it worked out $9 cheaper to use the single external siphon on a 2 bed set up & $24 cheaper on a 3 bed. Every additional bed would increase the savings by about $15 due to the threaded fittings, bulkhead, siphon pipe & additional plumbing needed to get the water to the bed. Buying pipe & fittings in bulk would make that cheaper again though. 👍
Cheers mate.
I'm a 'baby boomer' =old fart. Comfortable with the things I watched evolve. (...You'll get here one day.) Your 'perfected bell siphon' is elegant, functional amusing to construct and watch. Also, it's 'distributive.' ONE malfunction does not jeopardize the ENTIRE grow. However, it's a "bottom line" kind of Universe. Change is GOOD cause change ALWAYS happens.
Very nice Rob
Aaron Armstrong Cheers Aaron 👍
still amazes me that you don't have more subscribes, thou nice to see your garden booming :)
Thanks Jens.
Hope the systems doing well now the waters getting warmer.
Cheers.
can't wait to see my yard look like yours thnx for all the great info
Glad to help with a few ideas. Have fun growing your plot mate 👍
cheers mate. i like the simplicity of this. 😃
Nebtera82 Cheers mate 👍
Looking good Rob, just had to run out the back and fix a leak in a pipe, before it got worse :-)
Doesn't sound good George. Still happy with the way the system is running?
Cheers mate.
Nice job Rob. Never thought to do it this way. Only problem is that they all empty at the same time so you have to deal will more water. One question why don't you have the bell siphon in the last barrel? Then you wouldn't need the one with just the bell.
Hi mate.
With the 3 I'll have set up together they will use less water than a normal flood & drain IBC bed 👍
This was a demo for folks that asked, mine will be plumbed up with a single bell in the end barrel as I don't have a lot of space.
Cheers & have a great one. .
2:45 a single bulkhead fitting is ~$19 at Home Depot…uniseals are
The only ones that have leaked for me are the ones used in holes others have drilled OR when used in thin walled drums. The thin walled drums ones generally leak if a lot of directional pressure is placed on the pipe in the uniseal.
so to clarify, no timer is used here, the bell siphon does all the timing on fill and drain, and it run around the clock, correct?
Good👍👍👍
Thanks 😁👍
Hi Rob,
Please clarify, if there is only one Siphon, the other tanks in the series will not be drained completely due to continuous supply of water on the 1st one and continuous siphoning from the last one. I suspect the water level will remain same to a certain level...
Even in single siphon grow beds there will always bee some water remaining in the base & the same happens with these beds. 👍 As you could see from the video the majority of the water drained out just as it does in a normal bed.
Cheers.
Understood.... btw, how many grow beds should we use with one Siphon and what should be the max dia of pipe for the siphon?
That would depend on the volume of the beds & the volume of water that needed to be moved.
I think a grow bed volume of up to 1500L/400gal could easily be drained by a 1"/25mm standpipe but I haven't built one that volume to test that out myself.
the tote might be sufficiently sized once the media displaces some water volume. the stand pipe could ultimately become full height.
As always, great vid!
I think it would of been fine if I popped the media in 👍
Cheers.
hi there boss!!!
you inspired me on many way!
thanks .
I like to ask you what if no beds are write on the floor and I wanna to put the siphon exit write on the side of the bed.
thanks again and if you ever come to Barcelona I'll be glad to have some time with you.have fun
Sorry I missed this CityGarden. You can mount the external siphon through the side wall. Have seen it done a few time.
Did you come up with a fix yourself?
Cheers & sorry again for missing your question.
Rob.
Why not do a single pipe under the beds with Ts going up? That would make it only one pipe / "point of failure" at the bottom of each bed... Thoughts?
snubbel buff That was the other way I was going to go with twin 40mm drains running into a 90mm drain line. Decided on this set up as I had all the parts on hand.
ah okay! Great having parts available! Thank you for your reply. Your vids makes me look forward to sunday mornings (here in Sweden)
Will have another posted on the system in about or so hours. 😉
Cheers mate.
thanks for ur video but i still cannot image how you can control the high level water in grow bed? will water can fill up high like 8 9 inch in grow bed ?
Hi Phi. Sorry for missing this. The height of water is controlled by the standpipe in the bell siphon. The only way for water to leave the beds is through that one outlet.
"Hope that helps mate. 👍
hello...i am trying to figure out how to make a square wood boxes with double 6 mil plastic, integrate a siphon to drain the water, however i can not find any info in how to connect a set of boxes , that is fill the first with water...let drain into the second one and from the second one let drain to the third box and so on until reaches the end to drain completely to the reservoir..any ideas?
it has to bee something looking "nice" since those boxes will be visible from the street and the Homeowner ass...are a pain on the ...you got it.. I want to plant orange, lemon, lime, avocado, apples...etc...i prefer trees that will give some fruits that the ones we have now that are only for looks. love your videos.
It sounds like you need to have a siphon installed in each box. as one fills & the siphon initiates it overflows into the box below.
Sorry it took a while to respond. Did you end up building the system at all?
Cheers,
Rob.
Hi, i am dr shareef ,pediatrician frm india
Is it necessary to have inlet pipe in each bed(apart from the bottom loop) if 8 (8*2feet) growbeds are connected together?
I would feed each bed individually as the last bed may not get a good amount of nutrients after the plants in the previous beds take what they need.
Hope that helps & sorry for taking so long to respond.
Thanx Rob, I am in the R&D aquaponics stage at the moment and doing lots & lots of research..lol. Your videos have helped out heaps, thanx mate, I would like to setup an external bell siphon on my grow beds, do you recommend a max number of grow beds per one external bell siphon (I use a 200 ltr drum cut in half long ways) and is it wise to sync 7 beds and if its ok, would this effect the diameter of the pipe of the bell siphon due to the amount of water that needs to be siphoned? Sorry for all the questions lol but if you don't ask... you will never know lol, any advice would be greatly appreciated :-)
Sorry I missed your comment Clive. How did you get on with your system build? Did you go with external siphons?
Cheers.
also, if I choose to run hydroponics instead of aquaponics, but use the same flood and drain setup, this will work just as well?
Hi Richard & sorry for taking a while to respond. No timer needed as the siphon automates the flooding & draining of the beds. 👍
You could use it in a hydroponic grow system as well but the hydro folks may have more efficient methods you might want to look at as well first.
Cheers.
Mate I have a question, about the water inlet,, in your demo you are feeding from one source is that or would that be an OK way yo fill the grew beds? Wouldn't one bed get more nutrients that the others? Or doesn't it natter?
It could be an issue if the system didn't have high nutrient levels & the individual beds were larger. The grow area in these would be less than an IBC bed so I don't think there would be any deficiencies.
Cheers.
@@RobsAquaponics Cool You started the grand kids doing this, and ol pap has to figure it out,, we got the buckets growing well DID untill some critters went and knocked them over and ate the tomatoes. Sooo now they want to build a table with 2 half barrels cut long ways set on it. Ohhh they joys never stop when kids are around,,lol,, Thanks mate
@@skeets6060 Nice one mate. Is great to get them started young. So many have no idea what it takes to grow your own or even where food comes from.
Cheers & have a top one mate.
HI Rob thanks for your videos means the world ! , I need to know how can one workout the volume of water that needs to be pumped in to the grow bed to initiate the syphon? does the stand pipe diameter and flow play rate have anything in comin to start a syphon, I might be wrong but it seems the wider the stand pipe opening the greater the influx of water needs to be... and pls can you explain if it effects the syphon in anyway if the space in between the standpipe and the bell are to small ? thank you!
Hi there. This video might help answer some of your questions S4R,
ruclips.net/video/hpVzsM_7uZo/видео.html
Let me know if you need more info.
Been looking forward to your external siphon system, Rob. See the biggest concern will be, the sump being large enough to handle the volume of water for all the containers. Not sure if I missed it, but what size pump are you using? Wonder if this system would be good for wasabi? Great move on saving the bee.
Hey Harry. The water volume in the 3 beds that I'll be connecting are less than a IBC bed so not that great at all in reality. Our system is running a 10,000 lph / 2640 gph pump at the moment so the small amount of flow needed for this set up wont be much of an overall drain on the system.
I haven't grown wasabi myself by have heard of folks growing it in hydroponics so can't see why you couldn't in aquaponics 👍
Cheers mate.
Very interesting, was wondering how you would connect the beds.
The final hook up will be a bit different again.
Cheers Paul.
Couldn't a much simpler loop/U-siphon take care of a multiple bed arrangement much easier and cheaper...?
Also as a side question, I am in proccess of gettin 6 ibc's but I am wondering what are the max number of (ibc grow beds) can be sustained with a single chop'n'flip sump tank?
I think around 3 works pretty good.
Hi there. No reason you couldn't make the loop for a system like this. I just have making the bell siphons down now so like to use them. Also like that they are easier to monitor for root intrusion too if you're growing plants with adventurous roots.
It all depends on how deep you cut the sump. I have 4 x 300 mm/12" grow beds cut from the sides of IBC's & don't think I'd add more than 5 for my 600L/160 gal sump if that helps any. 👍
Sounds like you have a decent sized system planed mate 👍😊
Cheers & have fun with the build.
Still planning stage, leaning towards 2 independant systems each running a 1000l main fish grow out tank gravity feeding 2 chop'flip deeper grow beds and sumps linked. Was considering 2 sidecut+1flip growbeds per growout tank. However the more I brood over the idea the more i prefer the ability to run the chopflips independantly if needed/or isolate issues. Also being self supporting with less extra structures. I also like the security of a fuller sump reserve...so yeah think thats the way its heading. the delivery cost for the IBC's were the same for 1 - 6 so thought it best to go all out and get a full order haha. As for loop siphon i just though it might be a vaible alternative (K.I.S.S principal) though maybe it might have siphon break issue, can't say for certain. Won;t be building anytime soon as the tanks will be temporary water supply while old concrete rain tanks are removed. So plenty of planning time. Still good to know that 5 grow beds is a rough maximum for 1 sump.
Hey Rob ,m thinking of starting a system for myself n I have 2 100ltr growbed, 1 200 ltr barrel as fish tank so what should be my sump size??? please help.thanks.
I like to size the sumps to 50% the total bed volumes. Will give you a bit extra to stretch out top up times.
Cheers.
Hi Rob, I have watched this video last night. It is a fantastic idea. At the moment, I am building a three-storey system, a fish tank at the bottom, 2nd storey and 3rd storey with buckets. Is it a must to use bell siphons for the 2nd and 3rd storey? Can I use flood & drain system instead? Thanks!
Sorry for taking so long to get to your comment. Timers based beds will work just fine so if it helps simplify your design, go for it. 👍
@@RobsAquaponics thank you
Hey Rob, Why did you eventually get rid of this system? Was it because of the plumbing or the system volume or what? Cheers! ChazInNJ
This was just an example of what can be done if need be. I ended up installing it to our system but have the siphon inside the end bed.
► ruclips.net/video/TUog_kMijXc/видео.html 👍
Is still there but will be removed at some point to make way for a new fish tank & filters. 😉
Sorry for taking a long time to respond mate.
Cheers.
My bell siphon is not breaking, it was continous flow, what would be the cause of this issue
It can be due to too high a flow coming into the bed, the drain under the bed pointing upwards or even just being too long.
Have you sorted out the issues you're having with it yet?
Those uni-seals look like a godsend. I need to find a local supplier.
They do make life a lot easier ;)
Whereabouts are you located?
Cheers.
West coast of Canada. I hate those bulkhead fittings, they are so big and clunky.
Sorry mate. Not sure who would stock them there at a reasonable price. Might pay to ask on some of the aquaponic forums.
Try www.reefsupplies.ca . I bought uniseals and bulkheads from them. Decent folks and quick service. They're in Quebec I believe but ship all over. I'm in Ontario,
Jeff Mitts
Shit yeah. Thanks buddeh.
Instead of connecting beds through tje bottom what about connecting throught the side a couple of inches up from the bottom of the grow bed. Put a screen over the ends of the connecting pipes to prevent mefia from flowing through or clogging the pipes
Hi John. Think I mentioned in the clip that due to the bases of the barrels all being a bit different it would mean that the pipe level would be quite high. If I didn't I meant too. 😉 I like my beds to drain as low as possible but each to their own. 👍
Cheers & have a great one.
ok yeah i think you did mention that. i can see where it would be difficult. i am working on one where the barrels are split ene to end and i was thinking that i might be able to run the lines straight across.I love the idea of the single siphon at the end thus keeping all pretty much the same height and flow. rate
Like
bob if we use urine in grow bed how much quantity & this is harmful for fish or increased ph levels please tell us. good luck.
I'm not to sure as it would vary person to person & what they ate as well. I would probably only use it to help cycle a system myself or as a fertiliser for soil grown plants.
Sorry I'm not much help & it took a while to respond.
Cheers.
Fascinating stuff as always mate. We're going aquaponic next spring on the pond in the back garden. Do you use a sponge prefilter to remove solids or a swirl style filter?
Hey Matthew.
I like to use the radial flow filters plumbed inline after the fish tanks. I find they're great for taking out the majority of the solids.
This clip on the old one I was using might help you out some 👍
ruclips.net/video/mKWXkf9j5Qc/видео.html
Cheers mate.
Cheers Rob. I'm quite new to your channel, I'll have to get caught up. I've never heard of those before, I'll definitely give that a watch. I'm mostly coming from the aquarium hobby to be fair but absolutely fascinated by this approach
No problem. Have a few clips in a playlist that might help you out some with a few ideas you can play with.
ruclips.net/p/PLBcWprMIwYYi3Y3tUNUMWhO-g_ZhWfijY
Have fun with the build when it happens mate.
I can’t get the syphon to brake after I put in the grow me hydroton
I dare say that the water flow is too fast. This video may help some,
ruclips.net/video/rKEeXNwSxWU/видео.html
Hey Rob, can you update the links in the description to actual links? They aren't clickable in their present form on an iPad. Thanks!
Thanks for letting me know Jeff 👍 I think they're all sorted now but let me know if they're still dodgy.
Cheers mate.
Thanks!
No problem 👍
Great video Rob! I like external bell siphons for many reasons. First, the plant roots will never likely interfere with the external siphon unlike in-bed siphons. It seems every year I get some malfunctions due to plant root growing into and round the siphon. An external bell can be made to fully empty the beds and provide for a safety high water drain. Externals are also serviceable without disturbing the media unless the drains get root bound. I also like the absolutely positive start feature of external bells. The only drawback is they require a sump because the volume of water that is moved at once is large. I prefer to not use a sump in my systems.
They would make management of root invasion a lot easier to deal with in some cases 👍
Cheers Rj & hope all's well with you mate. 😊
Title should be An external bell siphon for 2Grow Beds.
You can run more than 2 beds with an external bell siphon. There's a bloke in Hawaii that runs many larger beds with one set up on a 55gal barrel.
Cheers.
@@RobsAquaponics Hi Rob Bob. Yeah I think it works. I made 10 grow beds out of 5 barrel drums and installed 1 external bell siphon. It takes 50 minutes to fill all 11 half drums and 18 minutes to drain. The inlet pipe and bell siphon is located on the first drum nearest to the pond.
Hi Rob, Please get back to me on this one. I am planning to build 40 GB more to my previous 58 GB in the green house ruclips.net/video/D2cW2ew7J7U/видео.html, these 40 GB will be in four lines, which means each line will be having 10 GB's. The Q. here is, can I make one external siphon for each two lines? to cut cost :-D If not, what am i suppose to do please as plan B? TIA
That isn't really an external siphon, its an internal siphon in a small empty bed, external siphon's are built differently, love your videos though
Is the same as the external siphons I've seen except I've used a bucked & not a larger diameter pipe.
Cheers Callum & have a top one.
Could you talk about bell siphons vs u siphons and any other alternatives in one of your videos?
If I find the time to set some up & trial them first I might.
Cheers.
you rely like too complicate simple thinks ...?!
Marek Kaminski Not quite sure what you mean there?
There are loads of ways to set up any aquaponic system. This is my take using what I had on hand to join a few beds to a single siphon. I can think of about 3 other way to do the same thing.
Would like to see your take on a similar set up.
Cheers & have a great one.
sorry Bob , I lake your channel no offense meant !!! single drain in each drum (or bead) , first drum need 90 or 2x 45 every additional dram need only T or Y ,and keep the drains low too prevent root grow in too .Keep app good work Marek.
No offence was taken Marek 👍 I know it can be hard to articulate text at times.
If I had T's on hand I would of used them to see how it would work in a barrel to show folks different options. Have seen a few systems set up using T at the end of barrel beds & they work fine from all accounts 👍
Folks have pointed out that I only need to use T's so will buy a few & set up a barrel with one for folks to look at.
Cheers mate.
Omg, u talk too much. Just get to the point of the video
I got to the point at the start when I showed you the system so am a tad confused.
What were you expecting?