Hagen Nutrafin Iron 0.0 to 1.0 Mg/L for Fresh and Saltwater, 50 -Tests

I bought this test kit to test the amount of iron in the water to ensure good plant growth by checking and adding plant food as needed.

It's an easy to use test kit. Seems to be giving me reasonable readings. Takes 30 minutes for chelated Iron testing, but three drops from a bottle and a scoop from a vial and you just sit back and wait 30 minutes. It's hard to tell the difference in the scale colors, but it's easy enough to get into the ballpark.

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