Translation below (from google)
Hi guys, lm from Turkey My tank 60x45x35h 90lt Silica sand base only diy Smd led lighting 40wt, 9 hours day 24 hours co2 Sunsun 603b filter fertilizer; kno3, mpk, k2so4 and seachem develop and iron
My problem is that algae grows only cracked moss and parvula...