I recently decided to try setting up a dirt tank. It seemed like an interesting idea and I was able to get a good deal on a 20g aquarium with fluval 204. For the substrate I used Miracle Gro Organic potting soil, about 1-1.5in and I used a layer of Seachem gravel on top of it. The overall height is from 1.5-2.5 in. Light is 1x18" T8 (Sun Glo) + 6xCREE XP-G R5 Cool White at 1A, 2in apart. Tank is a standard 24x14x12.
After my plants arrived, (several Echinodirus species, dwarf anubis, HC etc) I planted everything flooded tank (last Sunday) and did a 100% water change next day (no live stock). I was planning to go medium maintenance with this tank, CO2 injection, Seachem Trace+Flourish to start.
After 1st water change I noticed some foreign gray-ish hairy coat on the gravel, but it was small so I dismissed it as a dirt deposit related to the initial start. Next I did 100% water change this Tuesday, and next morning, I see that gray-ish hairy stuff in several new spots, mostly around HC. This makes me really worried about plants and whole set up and I am not sure what to do next
Can anybody help identifying what I've got and maybe give some advise on how to get rid of it, if needed (maybe its a good thing ).
Thanks in advance