Hey there everyone. Some background information: I have a 75G tank. Originally it housed an Oscar and a couple of convicts. We've recently converted it from a predator tank into a community planted tank. So far we've had terrible luck. First off we got Cyanobacteria (and got rid of it by treating 7 days with Maracyn). Then we got Thread algae (which I think we've recently conquered with cutting back our photoperiod, but we're not sure), and now we have another Mystery Algae that seems to be either eating our plants or causing them to melt. Tank stats: Stock: 10 Cardinal Tetras 10 Rummynose Tetras 7 Galaxy Rasboras 10 Oto cats 10 Amano Shrimp 5 Red fire shrimp 3 German Blue Rams 2 Clown loaches (will be ditching these soon, they were mostly for snail control anyhow). 3 crypts 2 dwarf crypts 1 Java fern 1 sword 1 anubias 1 wysteria 4 micro swords 1 frogbit 1 red plant (unidentified, but not doing well despite high lighting and iron ferts :/) 3 Jungle Vals 2 aponogeton of some sort. Equipment: 1 Marineland C360 1 Fluval 205 1 koralia powerhead that pushes 425 GPH 2 10,000K lights Peat filtration Parameters: Ph 6.6-6.8 NH3/NH4 0 NO2 0 NO3 5-10 (water changed weekly to maintain this) Dosed once to twice a week with Flourish comprehensive and Flourish Iron. This is getting long, but I really don't know what to do, or what I'm doing wrong. We're not running CO2 on this tank. Everything seemed to be thriving until we got the thread algae, at which point the growth slowed to a grinding halt, and it hasn't picked up again since then. I've attached pics to show what I mean by the plants being "eaten" and to show the algae which is on every plant. Plants being "eaten": Thanks for any help you guys can give me in advance!