What to do with Toxic Gas Trapped in Soil?
Hi, I wonder if you can help you. (You all seem really busy at WWM.) I did search for the answer, but I only found that gas DOES get trapped in the substrate, not what to do about it. I have a 55 gallon planted tank that has been running for a year now, with 5 year old angelfish (the mated pair is going into the 25 gallon tank soon), 3 nickel sized angel fish (they’re doing fine together), 11 neon tetras, 2 swordtails (both male), and a Pleco (5-6″). I have the black EcoComplete substrate, which has worked fine for me. However, I recently went in to replant a couple of the plants, moving them from the end that gets about an hour of sunlight each morning to the side that doesn’t. When I lifted up the plant, the substrate was fine, but when I stuck it into the other end of the tank, air bubbles came out. I’ve read that this is an extremely bad sign, meaning that the plants at the other end of the tank haven’t really grown their roots, and that there’s some kind of nitrogen compound trapp
