A unique filter sponge impregnated with both ROWA®phos and ROWA® carbon for the ultimate phosphate, silicate and organic compound removal from all fresh-water and saltwater aquariums. - Controls nuisance algae growth
- High phosphate adsorbent
- Forfresh-water or salt-water
- Fast acting and starts working immediately
- No influence on pH
- No release of adsorbed substances when saturated
- Fits directly into your internal or external canister filter
- Available for various standard filters
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