my tank.....
tank 1
60x30x30cm
70 watt light ( 2x20 watt philip, 2 x 15 watt azoo)
co2 is DIY
but constantly my tank parameter
is ph6.6 and kh 4
temp is 27 using DIY pc fan
fertilizer only tetra flora pride.....every water change dose 10 ml
problem: green hair algae and green spot algae

tank 2
100cm x 50 x 50
130 watt ( 2x20 azoo, 3x30 AIM cheapo tube)
diy co2,
parameter is ph 6.8 and kh 4
flora pride every water change.
problem : brown algae....

any solution?