With over 40 years of experience, Columbia is the world leader in low-cost high-value filters and pumps for use with above ground pools. Our product line consists of a full range of sand filters and pumps suited to both domestic and international markets.
Before you start shopping for a pool filter, you need to know the three types: Sand, DE (diatomaceous earth) and Cartridge. Each filter has their own pros and cons, which I’ll cover. How to Buy The Best Filter.
Length 30m, Depth 3.5m, Width 2.65m, Double filtration system with pre filter and sand filter. Each morning and afternoon approximately 500 horses use the swimming pool to allow horses a variation in their weekly training schedule. The water pH and Chlorine level is constantly monitored to ensure good quality water for the pool.
Eco-Friendly Natural Swimming Pools Natural pools eliminate harsh chemicals like chlorine by combining the cleaning properties of plants with bio-filtration and skimming systems. The pools are separated into two zones the plant zone and the swimming zone.