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filter bacteria
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  1. General Planted Tank Discussion
    Hi friends, in the last 2 weeks I discovered in my filter brown slime that stuck the filter from bringing out water, I have no picture of it but I found exactly the same problem in this picture. I think this slime is also the oily layer on the aquarium surface, need your help!
  2. Plants
    Hi guys, First time poster, long time reader. Anyway, I just got a new 120L/30gallon tank and I used the canister filter from my old tank. It's a 3 tray filter with minimal mechanical media at the bottom and top. The rest is filled with Seachem Matrix and bio balls. I cleaned the mechanical...
  3. Fertilizers and Water Parameters
    I have had a problem with nitrates in my tank. I have an algae problem and two fish have died. I did 3 small water changes that I thought should have added up to 30-40%. I retested the water and found Nitrates at 5ppm with API kit. I have now taken out most of the water. The tank is a 30 tall...
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