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Calcium Tester


kenzzo17
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Hi guys i brought a calcium tester from aquapharm but not sure how to use it anyone can help??

Ok the instruction says fill the test tube with water add 10 drops of solution 1. so far so clear than add solution 2 till a dark blue appears on the water, the thing is do we shake the water while adding or do we just look a the blue the forms on the top of the water only??

Kindly advise :thanks:

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You need to at least invert or gently shake the sample tube and let the solution mix in thoroughly.

You want the entire solution to turn blue, not just the drops contacting the surface. It is usually an indicator that you are quite close to turning the whole sample blue though.

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You need to at least invert or gently shake the sample tube and let the solution mix in thoroughly.

You want the entire solution to turn blue, not just the drops contacting the surface. It is usually an indicator that you are quite close to turning the whole sample blue though.

Thank you very much my fren

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