Red Sea Reef Colors Pro Kit - Reef Care - Iodine, Potassium & Iron

These tests are really detailed but they are very time consuming. The iodine and iron tests are very straight forward, but the potassium test has been extremely difficult. The color will look purple under my bathroom lighting, but will look blue under the sun or the lighting in my garage. And the difference between blue and purple is very small. Overall a good test kit, just don't like that the potassium is so hard to read and if I have to test it a few times it takes an hour of my day.

The test kit is fairly easy to use however the color wheel makes it hard to match up with the color of your solution.

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Good test kit vary accurate. Easy instructions something all reefers must be able to test for. Xxx xxx xxx xxx xx xxxxx xxx

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