i dont know what is this. cyano? dyno? or just diatoms?
also i stirred the sand to cover the brown thing
my parameters
40g cube with alot of flow( 4 months old)
GAC and Skimmer
alk 11.8
magnesium 1200
calcium 360
nitrates 2ppm
phosphate undetectable using hanna checker PHOSPHORUS ULR
theres anything wrong?
also i stirred the sand to cover the brown thing
my parameters
40g cube with alot of flow( 4 months old)
GAC and Skimmer
alk 11.8
magnesium 1200
calcium 360
nitrates 2ppm
phosphate undetectable using hanna checker PHOSPHORUS ULR
theres anything wrong?



