got a complete rundown of the system. i had never seen a dsb before–fascinating. thanks for the rundown and discussion. i got some major tips. Rosti, didn’t you show me a redsea ph test kit?
[quote=“moliken, post:1, topic:4285”]
got a complete rundown of the system. i had never seen a dsb before–fascinating. thanks for the rundown and discussion. i got some major tips. Rosti, didn’t you show me a redsea ph test kit?[/quote]
PH test kit? whats that? I don’t do amature stuff 
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It was Red Sea phos/nitrate kit
You welcome Paul, any time