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Hi all. I have approx 50 goldfish fry in a 10 gallon tank (only 2 days old). The water level is just under 6". The sponge filters uplift tube is a lot taller than the water. From how I understand them to work I doubt that it would be working at all like this so I have taken off the tube thinking...

I have seeded my cannister filter with everything out of my cycled HOB filter. My question is how long do I have to leave it in there? I want to use the HOB on another tank so I will need to take it all out again once it's all established in the cannister.

Hi all, I recently purchased a second hand resun AE 808 canister filter. I have never used one before so I need some advice. I think it filters from top to bottom then back up a tube to be pumped back to the tank. I had to buy a new impeller for it and the store person said that filtering should...

Hi everyone. I am making my own canister filter out of an old pool filter. It will filter from top to bottom. I will be using an in-line pump on the return side of the filter. What I would like to know is, do I calculate how much water will syphon down through the filter and then match the pumps...

Hi guys, just wondering if Lego bricks could be used as a bio media. I have a HOB filter which has enough space for me to add a few pieces of Lego behind the filters bio cartridge. I'm guessing the more surface area for BB to grow should be a good thing. Let me know what you all think

Hi there everyone. I have been doing a lot of reading on here and it seems that I'm doing everything wrong. BUT my goldfish (not sure what kind they are. I think maybe comets) have been living happily in a 2 foot tank. I have had them for about 4 years. I rarely do partial water changes and when...