Dec 21, 2020 #1 R Rugggs3 Community Member View Badges Joined Jan 12, 2020 Messages 29 Reaction score 14 Rating - 0% 0 0 0 First time using it Is this reading to low?
Dec 21, 2020 #2 Reef. 2500 Club Member View Badges My Tank Thread Joined Mar 12, 2019 Messages 4,843 Reaction score 3,621 Rating - 0% 0 0 0 Isn’t the margin of error with those +/- .03? if so I would be careful as it’s getting to or already very low for PO4.
Isn’t the margin of error with those +/- .03? if so I would be careful as it’s getting to or already very low for PO4.