This topic has been moved here from Equipment Techno ◇器材心得◇ by KK, 2002-02-22 11:00 You may read the board announcement or contact board moderators for the reasons.
作者
自製NO3 Bio-Denitrator
eddi
文章: 2387
16 于 2002-02-05 11:44
Hi Result la. how about the no3 reading between in and out. and your tank