Thanks. You can spend a lot on this hobby its a little more comforting to know your getting what you pay for. How about ca reactors?single or dual chambers?Are refractometers considered probes if not which one do you prefer?Light or dark beer salt or no salt with that marg?Where would one look for the lab grade probes or for the average guy is it worth it?Do you prefer a moniter or a tester?
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