B bgoldwyn Guest Apr 21, 2007 #1 ive calibrated my pinpoint monitor three times but it shows 7.8 and my red sea test shows 8.6 after a water change of 15% the monitor now shows 7 and the test kit still shows 8.6 HELP?????
ive calibrated my pinpoint monitor three times but it shows 7.8 and my red sea test shows 8.6 after a water change of 15% the monitor now shows 7 and the test kit still shows 8.6 HELP?????
reefman Chairman of the board Manhattan Reefs Location Forest Hills Rating - 100% 66 0 0 Apr 21, 2007 #2 how r u cal..ing ur phobe?
