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03-26-2006, 03:19 AM #6
OPSenior Member
Build a ph doser/controller - under $100 - tutorial
Well, if you're on a really low budget, you could make some modifications with relays, I'd have to think it out more. But, the easiest way would be to just jump up to the SMS125 unit. This has a plug for acid and a plug for base. Only catch is that it's twice the cost. You can find it on ebay also.
Originally Posted by turtle420
As for the sticky, I think it would be quite helpful for alot of people. I can only imagine the man hours that could be saved
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