Test GH Jbl
    Test GH Jbl
    Test GH Jbl
    Test GH Jbl

    Test GH Jbl

    tpec008
    Out-of-Stock
    €9.95
    Tax included
    JBL GH TestRecommended 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.