DIY pH Controller - The Planted Tank Forum
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post #1 of 1 (permalink) Old 06-01-2011, 12:47 AM Thread Starter
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DIY pH Controller

Does anyone know anything about the Signet pH/ORP process controllers? Reading the manual, I think it can be used as a CO2 controller. Any opinions or experience with this?

PDF Manual

I've assembled a temperature controller with a PID and a solid state relay. I figure it should be similar difficulty-wise.
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