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    JBL Total Hardness Test

    JBL Total Hardness Test

    • Quick drop test for determining total hardness
    • Colour change test, i.e. you count the drops of reagent you add
    • Colour change from red to green
    In stock
    Free shipping on orders over € 50.- within Germany Change region
    1-3 business days - order today and we’ll deliver next week on Wednesday at the earliest
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    The JBL GH test set is an easy-to-use quick test for determining the total hardness in fresh water.


    • Colour transition from red to green
    • Includes syringe for simple measurement of the amount of water
    • The number of used drops = level of total hardness
    • For this reason this test does NOT require a color scale

    Product safety

    safety information in accordance with GHS


    Signal word: Danger

    • H226 Flammable liquid and vapour.
    • H314 Causes severe skin burns and eye damage.



    JBL is a German company with a long tradition and a vast product range for aquarium enthusiasts. From high-quality fish and shrimp food over external filters to aquatic plant fertilisers - JBL offers an enormous choice for every aquarium keeper.

    The research and development department of JBL constantly brings new innovative products onto the market. No matter whether you are an aquascaper, fish keeper, shrimp keeper or planted tank enthusiast, JBL offers suitable tools and accessories for all of these aspects of the hobby in order to support aquarium enthusiasts with the set-up and maintenance of their tanks.

    General information

    Please choose a variant to see more information.

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    Customer reviews

    This item has been rated 4.6 out of 5 stars
    7 Reviews
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    5 Stars(4)
    4 Stars(3)
    3 Stars(0)
    2 Stars(0)
    1 Star(0)
    Mehmet B.
    Misst zuverlässig.
    25th October 2014
    JBL - Total Hardness Test - Refill
    JBL - Total Hardness Test - Refill

    Der JBL GH Test misst zuverlässig die Gesamthärte im Wasser. Einziges Problem was ich mit diesem Tests habe ist dass er nicht sehr lange halthar ist! Nach 3 bis max. (mehr lesen)

    Ralf M.
    Sehr empfehlenswert
    18th January
    JBL - Total Hardness Test - Refill
    JBL - Total Hardness Test - Refill

    Einfach zu bedienender Test, der sehr genau die Gesamthärte misst. Der Preis ist absolut ok! Allerdings ist er nicht allzu lange haltbar. (ca. 4 Monate ,danach wird er ungenau. (mehr lesen)

    Angela G.
    Erfüllt seinen Zweck aber unzureichend deklariert
    3rd March
    JBL - Total Hardness Test - Refill
    JBL - Total Hardness Test - Refill

    Lohnt sich, wenn man regelmäßig die Wasserwerte kontrolliert und die 10 ml innerhalb der Mindesthaltbarkeit verbraucht. (mehr lesen)