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🌟 Elevate your aquarium’s clarity with next-level phosphate removal!
Kolar Labs GFO HC is a high-capacity granular ferric oxide phosphate remover engineered in Germany by Lanxess. It delivers 4x the phosphate removal efficiency, maintaining ultra-clear water and healthy aquatic life in saltwater and freshwater environments. Ideal for high-end reef tanks, ponds, and even natural swimming pools, this premium filtration media ensures stable, long-lasting performance with easy integration into various filtration systems.












| ASIN | B06WVHL4W3 |
| Brand Name | Kolar Labs |
| Customer Reviews | 4.6 4.6 out of 5 stars (156) |
| Item Form | Granules |
| Item Weight | 700 Grams |
| Manufacturer | Kolar Labs |
| Target Species | Fish |
| UPC | 851794007122 |
| Unit Count | 946.35 Milliliters |
L**S
Great Product
S**8
I was using the regular GFO from this brand and from an aquarium website. My phosphate was only going down to about .35 and then would creep up. I started using this one and finally my phosphates are .05! My reef tank has never had phosphates in check until now.
D**O
Absolutely rocks at keeping phosphates down in my 1300 gallon reef system! Running a bunch of Tangs in a 120L x 48”W x 36”H with a 300 gallon sump. Absolutely recommend this product to anyone wanting to Reef hard!
I**Y
Container was filled correctly (as compared to the reviews/complaints with the 2 little fishy's GFO). Grain size is good. Rinsed with RO/DI water in a mesh bag a few times to get the dust out. Initial dose is 1 gram per gallon. 1 tablespoon = 8 grams. Maintenance dose is about twice that amount.
A**R
Great performance. Have high phosphates. I started with half the recommended dose, then two weeks later went to a full dose. Tested phosphates in the aquarium and water coming out if the reactor. Phosphate level was cut in half after going through the reactor. Will continue to buy!
Trustpilot
5 days ago
2 weeks ago