Hello All,
I used the CO2 drop checker and it is good now. its yellow-green color.
I also, change my light, i am using now 2X150Watt Metal Hallide 6,500K
and T5 2X34Watt 10,000K
and T5 2X34Watt 6,500K
and T5 4X24Watt 6,500K
and my T5 Light are the best in market (aquamedic and AquaGlu)...