Reverse Osmosis Filters, Deionizers & Aquarium Tap Water Filters
Reverse osmosis filters, deionizers, combination RO/DI units & other tap water filters purify tap water for drinking and aquarium use (avoid distilled water). These filters soften hard water for lowered pH without additives, and they remove contaminants - you won't need chlorine removers or water conditioners. If you're concerned about water quality, reverse osmosis systems, deionizers and other tap water filters clear it up from the start! Scroll down to see all.