Other than for NO3 & PO4 (Hanna), I've always used Salifert test kits. That was UNTIL they changed their Calcium test kit, at which point I experienced strange test results, repeatedly. It was frustrating enough that I now use Red Sea Calcium test kits.
New Salifert calcium test kits
- Thread starter Outlaw Corals
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- Tagged users None
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Hanna checker saltwater aquarium test kits with freebies
- Price: $200
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