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It's bacteria. Comes typically from feeding high protein foods like live blackworms or frozen foods. But it can also come from other things. Using a python (or other water changing system) to get it during water change can help. I also put some hydrogen peroxide in a spray bottle and mist some on it when doing a water change. It will knock it down until you feed some more high protein foods that can leave a slick on the surface bacteria can feed upon.Anyone familiar with this? For the past few days the water surface on my 10 gallon shows a wierd layer of some stuff, kind of like when you mix gasoline in water (which of course I didn’t). Parameters are the same as my last water change. could it be some bacteria or some fungus that I scraped from the wood with my last water change? Or maybe something from my tap water?
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(here is my journal for this tank:
Manel’s 10 gallon tank
Hi all, I’m new here - but I found in the last few weeks lots of useful info on this website and the idea of making a tank journal appeals, and here it is - along with some questions. I started my first tank about 2 months ago, a 55 gallon on which I am still working, then added a 5 gallon I...www.plantedtank.net
