ya .
somehow my instinct couldnt trust tunze 9002 and deltec MC 500 is still too big for mi to insert in my tank.
only way out is biostar flotor .actually it is so much silent and better after it break in. thanks to all the brother who had given mi advice on how to tune the product properly .
have not change water for 2 week and my nitrate level is still <5mg/l yeah!
feel like changing it once in a month.
now to change my lighting .
MH or 4x T5,
i like the solite 150w
simple and nice