In an otherwise good tank, this algae has started growing on the inside edges of the glass. The blade scraper cannot reach this glass joints area. The tank is an 2 month old 12inch cube, using ADA lights, ADA fertilizers Brighty K and Step 1 in recommended doses. po The substrate is also ADA - super 4, amazonia, power sand and powder soil. Pressurized CO2 to ensure the drop checker is always yellowish green; lights and CO2 on for 8 hours a day. Weekly 50% water changes, and daily topping up about 700 ml of water that evaporates due to the cooling fan. What algae is this and how do (a) get rid of it (b) prevent re-occurence? Thanks a lot in advance to all the helpful experts out there...
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