$17.99
See if it's really the one
Search with this product to compare it, find similar styles, or turn up something better before deciding.
The pH Decreaser is a granular product that lowers the pH of swimming pool water. High pH may result in cloudy pool water and/or the deposit of calcium scale on the pool’s surface, plumbing and filter. High pH can result in eye irritation. The pH of swimming pools should be maintained in the 7.2 – 7.6 range.
Have a question about this?
We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2025
$17.99