Quote:
Originally Posted by Ryan
How accurate did you find the API? Not alot of selection around here for test kits and I need to check my magnesium and calcium.
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From the API product line the only kit I used was for phosphate so cant really answer your question.
There was a good short thread on test kits a little while ago that you might find helpful
http://canreef.com/vbulletin/showthr...light=test+kit
I think most people would agree that all 'affordable' hobby grade test kits dont provide truly accurate results but work well enough for our purposes.