As a reefer on a tight budget, I need to know what test kits would be best in terms of being economical while still accurate and fairly precise. I've been using the API kits and they serve me OK for fish-only, but I want corals...
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I would use hanna for alk and phosphate. Salifert for others, as for cost they are reasonably close. API is definitely the cheapest way to go but are so so. Someone broke all the test kits down by cost per test, when I get time I will look for it and share if I find it.
But it has it...at least between Red Sea and Salifert, lol.That's not the one.lol