For reef use, there isn't enough of a difference. Shoot, most reef probes haven't been calibrated in years. Lab units get calibrated daily.
Web Member
For reef use, there isn't enough of a difference. Shoot, most reef probes haven't been calibrated in years. Lab units get calibrated daily.
Bill
215g FOWLR... and anemones, GSP, gorgonians... carp, that isn't FO!
"I killed my first SW Fish in 1971..."
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