JBL Aquarium

JBL - ProAquaTest GH Refill - Soft Water Total Hardness Test

JBL - ProAquaTest GH Refill - Soft Water Total Hardness Test
JBL - ProAquaTest GH Refill - Soft Water Total Hardness Test
JBL - ProAquaTest GH - Total hardness test of soft water

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Refill reagents for JBL ProAquaTest GH test . Simple and safe control of water parameters in fresh water and ponds. Determination of the optimum total hardness.

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How to use Proaquatest GH?

Color test: Put the test water in a plastic test tube and drop the reagent until the red turns green. Number of drops = total hardness.

Application: For new impoundments: once a day for the first week, then once a week.

For healthy water:

The correct water value for an aquarium / pond depends on the fish and existing vegetation. Even if the water is clear, it can be contaminated. If the parameters are incorrect, diseases and algae can develop in aquariums and ponds. In healthy ponds and aquariums under natural conditions, it is important to regularly check and adjust the water quality.
JBL offers rapid or color tests for all water analyses. These tests calculate a specific parameter or several parameters at the same time. They identify algae problems and negative parameters such as nitrates, nitrites, potassium and magnesium.


Why test?

Depending on the origin and nature of the subsoil, the water may contain more or less significant quantities of alkaline-earth salts. These are usually calcium or magnesium salts. The total calcium and magnesium ions represent the total hardness. Overall hardness is around 8-20°dH and most fish are easy to care for, but you should be careful to take appropriate measures to reduce overall hardness which is too high.


JBL Lab Online

Regular checks for a healthy pond or aquarium and living conditions close to the natural environment. Enter your water parameters in the JBL Lab online and you'll get an in-depth analysis of those numbers in seconds.


Recommended total hardness

  • Freshwater aquarium (community): 8-25°dGH Malawi-Tanganyika aquarium: 5-20°dGH
  • Planted aquarium with few fish (aquascaping): 3-10 °dGH
  • Saltwater aquarium: not measurable with the GH test, because it is too high. Test calcium and magnesium separately.
  • Pelvis: 6-20°dGH

Product Details

2410900

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Based on 8 reviews

  • Image utilisateur VERONIQUE F.
    Published Jan 13, 2026 at 08:19 pm (Order date: Jan 07, 2026)
    5

    Perfect (Translated review)

  • Image utilisateur Jacques V.
    Published Dec 03, 2025 at 08:36 pm (Order date: Nov 27, 2025)
    5

    Fast shipping with a fairly distant expiration date. (Translated review)

  • Image utilisateur N D.
    Published Nov 01, 2025 at 11:53 pm (Order date: Oct 24, 2025)
    5

    Matches the description. (Translated review)

  • Image utilisateur Francoise B.
    Published Oct 13, 2025 at 10:10 am (Order date: Oct 05, 2025)
    5

    Same (Translated review)

  • Image utilisateur Martyne t.
    Published Oct 08, 2025 at 10:37 am (Order date: Oct 03, 2025)
    5

    very good products, ordered delivered the next day, I recommend this site (Translated review)

  • Image utilisateur Patrick L.
    Published Aug 23, 2025 at 08:46 pm (Order date: Aug 11, 2025)
    5

    Provides clear results quickly at a low price. (Translated review)

  • Image utilisateur Bernard M.
    Published Feb 05, 2025 at 11:41 pm (Order date: Jan 24, 2025)
    5

    Everything is perfect... (Translated review)

  • Image utilisateur Adrien C.
    Published Oct 23, 2024 at 03:54 pm (Order date: Mar 08, 2024)
    5

    Perfect to complete a JBL palette (Translated review)