生物環

blueblue · 發表於 2012-2-7 00:38:26

very little use only if you just put some inside the tank. It needs water flow to work well...

blueblue · 發表於 2012-2-7 00:43:05

edwinwan 發表於 2012-2-7 00:41
thanks for replying, coz i saw some of shop put in the tank, thats why i guess maybe is useful in w ...

but they do have water flow. Moveover, quality counts too. I always use eheim or Power House's filtrates. They are different.

blueblue · 發表於 2012-2-7 00:56:57

brianlam314 發表於 2012-2-7 00:55
點會呢,大家研究下,我有唔明都會問你

yes, brian c-hing is super kind and knowledgeable. Salute!!

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