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| Seedling Join Date: May 2001
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Anyone know of any inexpensive (<$400) devices that will allow a PC to be interfaced to the resevoir to measure EC and pH. No internal logging or external display would be needed. If anyone knows of any reliable probes with a simple analogue (something easily hooked up to an ADC) output that probally would work fine too. There are some systems out there, but they start at around $800, and have more features than needed. Also only basic software would be needed. | ||
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