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Originally Posted by cminghan
but problem is,the co2 is only going upward,but not touring around the tank,so he have changed to those greenish diffuser from Up brand,function by some bio ball spinning around in the cilinder,of coz you will need a powerhead to make the thing move.....so the flow will take the co2 travel around the tank....after few days....riccia and some plants start to bubbling.
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He is using the dymax reactor... co2 coming up from bottom, water coming down from the top.... pretty efficient... unless the water current is too strong and slow some small bubbles into the water... much better than the UP reactor.
I'm having the same problem....water parameters and equipment also the same... CO2 cylinder with Dymax CO2 reactor.
KH 5, pH 7.5
1 bps , 4 ft tank, lighting , 36W x 4, turning on two.... did not want the plants to grow too fast...
these days... dunno why, the riccia just do not bubbles anymore... but they grew too fast.. I throw away most of them after no takers from the forumers...
I am not bothered by the riccia does not bubbling but just curious about how to reduce the pH without adding any articial chemicals...
The riccia used to bubbles like crazy and grow like crazy...
Perhaps I should lowered the KH back to 4 as last time my water parameters is like pH 7, KH 4 and this is just nice...
Stan