Sera
SERA - gH Test - To easily determine the total hardness
Colorimetric test to easily and efficiently determine the total hardness.
Order it before
15:00 tomorrow
and receive it
on
Thursday, April 25, 2024
with
Chronopost - Livraison express à domicile
Learn more
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.
Colorimetric test to easily and efficiently determine the total hardness.