Colombo GH Plus - Water Hardness Test
A precise water hardness (GH) is essential for clear water and healthy plants and fish. GH measures the total amount of dissolved minerals in your pond, which consist mainly of calcium. Your (…) Read the description
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Colombo GH Plus - Water Hardness Test
From £11,99
Very good product, easy to use and does its job well, I recommend this product.
Very bad experience I lost the money produced arrives incomplete in a sorry state never again
Very easy to use product. And to dose I highly recommend it to everyone
Very good product to associate with kh + for a perfect balance of water. In a week the water is clear again.
Used with KH +, the cocktail is perfect to remineralize a pool filled with rainwater or in areas where the water is almost free of minerals (Auvergne).
Product purchased in replacement of the one used usually fulfilled its mission perfectly
very good product that is effective quickly, used with balantex to keep the good hardness (gh and kh), which stabilizes your ph. small negative point one of the two buckets was slightly damaged.
product colombo GH + format suitable for large pond with easy operation
Easy to install, this non-return valve fills it perfectly.