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Originally Posted by btlee
Funny, I thought the 'good' bacterial you want stays in the filter bed, so how can it get 'killed' by the UV device?
Those that stays in the water ( good or bad ) gets kill I was told.
Cheers!
BT Lee
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funny rite....filter beds only when u use undergravel plates...even that water current still pass thru and bad bacteria do stay in filter beds as well. suppose its a cannister filter, how do u explain that?
yes,those that stay in the water good or bad will get killed, but u could always replace new good bacterias....once a month...as i said the main object is to reduce the bad ones.