Description
The INSTANT FROG® Mineral Pool Water Purifier is a 6-month silver mineral cartridge that installs directly inside your in-ground pool’s skimmer basket. Once it’s in place, the cartridge releases FROG’s patented silver mineral formula into the circulating water continuously — destroying bacteria, helping stabilize pH, and reducing the amount of chlorine your pool needs to stay clean. One cartridge covers in-ground pools up to 25,000 gallons for six full months.
The most important distinction to understand: INSTANT FROG is a mineral-only supplement, not a complete sanitizing system. You continue using your existing chlorine source — tabs, granules, a saltwater chlorine generator, or whatever you’ve been using — at a much lower level than before. The INSTANT FROG handles the antimicrobial work that minerals do better than chlorine alone, and your chlorine source handles the rest. The combined effect is up to 50% less chlorine consumption across the entire pool season.
This is the right FROG product for serious in-ground pool owners who already have a working chlorine setup and want to upgrade their water quality without rebuilding the whole system. It’s a different scope of product from the floating Flippin’ Frog systems — those are complete two-cartridge starter kits for smaller above-ground pools. This is a single mineral cartridge for larger, more sophisticated in-ground pools.
Why a Skimmer Cartridge Works for Bigger Pools: Floating dispensers are perfect for small above-ground pools because the dispenser circulates with the water and the pool isn’t large enough to need more capacity. On an in-ground pool of 15,000–25,000 gallons, a floating dispenser would be undersized — you’d need multiple of them, and they’d drift to the same corner anyway. A cartridge installed at the source of your pool’s circulation (the skimmer) doses the entire pool evenly through normal pump flow, which is the right approach at scale.
Brand
FROG®
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