Solving leakage of canister filter

[@aghosh5285]

For Chinese brands canister filter, finding o rings are difficult. Where are you purchasing from?

[@ayanangshusarkaraquascapin6676]

Amazon , or you have to order your local fish store with brand name and specifications

[@finsfeathers]

Is it sunsun 304 b

[@ayanangshusarkaraquascapin6676]

Yes

[@finsfeathers]

How old is ur canister filter

[@ayanangshusarkaraquascapin6676]

One year

[@finsfeathers]

Regularly apply vasaline on O ring

[@ayanangshusarkaraquascapin6676]

Nope....after a few months.....if my intuition say so....as long as it's working fine need not do anything