Sera

SERA - gH Test - To easily determine the total hardness

SERA - Mycopur - 500ml - Treatments for fish
SERA - Mycopur - 500ml - Treatments for fish

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Colorimetric test to easily and efficiently determine the total hardness.

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For about 420° dGH (x 1.78 = TH French value).

If the total hardness is too low, we recommend sera mineral salt.
Too high total hardness can be lowered by mixing the water with osmosis water.