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๐ง Elevate your pondโs health โ because your koi deserve the best!
NT Labs Koi Care GH Minerals Up is a 1.5kg powder formula designed to safely increase the general hardness (GH) of pond water by replenishing essential minerals like calcium and magnesium. This product supports fish growth and metabolism, maintains optimal water quality, and is easy to dose using an online calculator. Ideal for all pond keepers, it works best when combined with NT Labs Hardness Test Kits to ensure GH levels stay above 8 dGH, promoting a thriving aquatic environment.









| ASIN | B00AHA2HIQ |
| Best Sellers Rank | 83,797 in Garden ( See Top 100 in Garden ) 391 in Water Garden & Pond Treatment |
| Brand | NT Labs |
| Brand Name | NT Labs |
| Country Of Origin | United Kingdom |
| Customer Reviews | 4.6 out of 5 stars 60 Reviews |
| Included Components | Powder |
| Item Form | Powder |
| Item Type Name | Pond Fish Food |
| Item Weight | 600 Grams |
| Item form | Powder |
| Item weight | 600 Grams |
| Liquid Volume | 1.5 Kilograms |
| Liquid volume | 1.5 Kilograms |
| Manufacturer | NT Labs |
| Manufacturer Part Number | 00425 |
| Model Number | NT Labs |
| Target Species | Fish |
| UPC | 733809004251 |
| Unit Count | 5000.0 gram |
| Unit count | 5000.0 gram |
Z**O
A good service and a good quality product which corrected my ...
A good service and a good quality product which corrected my garden pond water hardness in a very short time.
G**R
Really good
Really good. Doesn't cloud the water like some gh buffers do and excellent value
T**O
Good pond product.
This has helped me keep my Koi and other pond fish healthy and fit
T**S
Do not buy this product
Started Killing in aquarium in in the same day, definitely bad batch, was using this product for years without any problems. Ingridients must be written on the label
D**N
Great product. Changed gh level to normal within seconds
Great product. Changed gh level to normal within seconds. Arrived quickly.
M**7
Ideal
Used the whole bag over 3 weeks, fish seem happier and my GH levels look about right now.
S**D
Does the job and I like the resealable packaging
Does the job and I like the look and feel of the resealable packaging used by NT Labs
S**M
Good product
A good product, but had no difference in working than products far less expensive
Trustpilot
1 week ago
4 days ago