I gotta agree with Victor,
My hagen high range ph works very well and is easy to tell the diffrent colors.
It is by no means as accurate as a digital idea but seems to work for me.
I was only planning on using my hagen kits to dial in my reactor anyway once Tony and I get it built.
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No matter what the morrow brings, inventors keep inventing things.
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Jonathan
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www.cakerybakery.ca
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