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- Jul 26, 2018
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Hi,
How good is Hydros pH probe compared to Apex or GHL?
Also, can I connect together pH, temp and ORP probes? Hydros X4 has only 2 ports for probes.
Thanks
How good is Hydros pH probe compared to Apex or GHL?
Also, can I connect together pH, temp and ORP probes? Hydros X4 has only 2 ports for probes.
Thanks