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๐ง Elevate your pondโs vitality with precision and care!
NT Labs Koi Care GH Minerals Up is a premium 1.5kg powder designed to safely increase the general hardness (GH) of pond water, enriching it with essential calcium and magnesium minerals. Manufactured in the UK to strict quality standards, it supports optimal fish health and metabolism by maintaining GH levels above 8 dGH. Easy to dose with an online calculator and compatible with NT Labs test kits, itโs perfect for all pond keepers seeking reliable, science-backed water treatment.









| Asin | B00AHA2HIQ |
| Best Sellers Rank | 20,638 in Garden (See Top 100 in Garden) 150 in Water Garden & Pond Treatment |
| Brand Name | NT Labs |
| Country Of Origin | United Kingdom |
| Customer Reviews | 4.6 4.6 out of 5 stars (61) 4.6 out of 5 stars |
| Included Components | Powder |
| Item Form | Powder |
| Item Type Name | Pond Fish Food |
| Liquid Volume | 1.5 Kilograms |
| Manufacturer | NT Labs |
| Manufacturer Part Number | 00425 |
| Model Number | NT Labs |
| Number Of Items | 1 |
| Pet Type | Fish |
| Target Species | Fish |
| Unit Count | 5000.0 gram |
| Upc | 733809004251 |
User
Really good
Really good. Doesn't cloud the water like some gh buffers do and excellent value
User
Good
Good product & good priceGood service ๐
User
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.
User
Good pond product.
This has helped me keep my Koi and other pond fish healthy and fit
User
Ideal
Used the whole bag over 3 weeks, fish seem happier and my GH levels look about right now.
User
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
User
Great product. Changed gh level to normal within seconds
Great product. Changed gh level to normal within seconds. Arrived quickly.
User
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
Trustpilot
1 month ago
2 weeks ago