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Test GH Jbl
tpec008
Out-of-Stock
€9.95
Tax included
JBL GH Test
Recommended level in freshwater: 8-20 ° dGH
1 drop = 1 ° dGH (GTH).
The color changes from red to green.
Increased total hardness in the aquarium compared to tap water suggests that water was filled instead of renewed.
For fresh water only.
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