I always used Salifert alk testing kits but I started getting the higher readings around 12-14 dkh. I then switched to Tropic Marin and started getting 10 dkh. I still use Salifert for nitrate, phosphate, and calcium without problems.
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Always remember.... any time you reef, you also reef with every reefer that reefer has reefed with. Mitch 2/18/10
IWNFT343F
Current Tank Info: Innovative Marine 20
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