Description
Neptune systems standard grade ORP probe. Probably the most successful aquariums are the ones where the landlord has Probably the most figuring out of what’s going of their little world-in-a-glass-box. On the other hand, the true key to enjoying this hobby is to do this without making it a full time job!.
The OPR probe is an ordinary grade OPR probe
The ORP standard probe has a precision of 1mv
The ORP standard probe has a platinum band electrode
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