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💧 Elevate your pond’s vibe — because your fish deserve the best habitat!
NT Labs Koi Care GH Minerals Up is a 5kg powder designed to safely increase the general hardness (GH) of pond water by adding essential calcium and magnesium minerals. This product supports vital biological functions in fish, maintains optimal water quality, and is easy to dose using an online calculator. Compatible with NT Labs test kits, it ensures your pond’s GH stays above 8 dGH, creating the perfect environment for healthy, vibrant aquatic life.
| ASIN | B00A4CJBK4 |
| Best Sellers Rank | 68,881 in Garden ( See Top 100 in Garden ) 311 in Water Garden & Pond Treatment |
| Brand Name | NT Labs |
| Customer Reviews | 4.5 4.5 out of 5 stars (58) |
| Included Components | Powder |
| Item Form | Powder |
| Item Type Name | Pond Fish Food |
| Item Weight | 5 Kilograms |
| Manufacturer | NT Labs |
| Manufacturer Part Number | 426 |
| Model Number | NT Labs |
| Target Species | Fish |
| UPC | 733809004268 |
| Unit Count | 5000.0 gram |
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
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.
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.
W**Y
Koi pond treatment
G.ood and easy to use product
S**M
Good product
A good product, but had no difference in working than products far less expensive
Trustpilot
2 weeks ago
2 weeks ago