Carbonate hardness test• Recommended level in freshwater: 4 - 8° dKH (GKH)• 1 drop = 1° dKH (GKH).• Colour change from blue to yellow.• For
JBL PROAQUATEST KH Karbonathärte
How to do a JBL kH test OK
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Тест на карбонатную жесткость JBL Test KH – купить в магазине аквариумов Акватория
JBL ProAquatest 7-in-1 Test Strips & Display Box – Aqua Premium
When the rain becomes an acid test
JBL PROAQUATEST KH Carbonate hardness
JBL Test PRO KH drop test
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Pro AquaTest KH JBL - Kit complet pour test Dureté carbonatée
Le KH Test de JBL pour tester la dureté carbonatée de votre aquarim