Sera GH Test
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Original price
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9,49
9,49
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9,49
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9,49
SKU 04110
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To determine the total hardness in a simple way
For approx. 420 °dGH.
If the total hardness is too low, we recommend sera mineral salt.
Too high a total hardness can be reduced by mixing with osmosis scrubber.
For soft water we recommend adding sera blackwater aquatan or filtering through sera super peat.
