NT Labs GH & Minerals UP

7 reviews

NT Labs GH & Minerals UP helps you to increase the water hardness in your pond, making a more suitable environment for various pond fish and plants for their health and wellbeing. Get it at the best price here at Swell UK.


  • GH & Minerals UP 1.5kg Sale
    code: 425 Out of stock (Notify me)
  • GH & Minerals UP 5kg Sale
    code: 426 Out of stock (Notify me)
  • GH & Minerals UP 20kg Sale
    code: 306 In Stock (Only 2 left!)

Product Information

NT Labs, GH & Minerals UP has been designed to increase the hardness of the water in your pond and keep essential biological processes working well.

To avoid stagnating and acidification of the water, maintain a water hardness of 8⁰Dh to ensure that the levels of calcium and magnesium are at the desired level for a healthy pond. Calcium and magnesium are vital components for healthy plant growth and micro-organisms that consume miniscule algae cells keeping your pond crystal clear.

Dosage Instructions:

  • To increase the GH of your pond water by 3-4ºdH, use 50ml to 340 lts of pond wate
  • Dissolve the product in a bucket of pond water, ensure fully dissolved before adding directly to the pond.

3 sizes available; 1.5kg, 5kg, 20kg.

1L Treats 6800lts / 1500 gallons.

Product Specification

Product Size
NT Labs GH & Minerals UP 1.5kg 1.5kg (treats 6800ltr, 1500gals)
NT Labs GH & Minerals UP 5kg 5kg (treats 20400ltr, 4500gals)
NT Labs GH & Minerals UP 20kg 1kg (treats 6800ltr, 1500gals)

Latest Customer Reviews

  • Rating
    Date 08/05/2018 07:05am
    NT Labs GH & Minerals UP 1.5kg
    Feefo Logo
    Exc product dose what it says, along with all NT labs products
    If you keep koi these are definitely the products for you to use
    I only use NT labs products, great value & work instantly 10/10
  • Rating
    Date 20/04/2017 09:04am
    NT Labs GH & Minerals UP 20kg
    Feefo Logo
    We use this product often and find it keeps our pond water in good order
  • Rating
    Date 28/06/2016 09:06am
    NT Labs GH & Minerals UP 1.5kg
    Feefo Logo
    It does the job but can cloud water and is slow to dissolve.
  • Rating
    Date 23/06/2016 08:06am
    NT Labs Mediclay 20kg
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