Safely ignores simple elemental compounds to keep your tank's essential chemistry intact.
Selectively traps nitrogenous organic waste before it breaks down into ammonia, nitrites, and nitrates. buy purigen
Works best when placed in high-flow areas of canister filters, box filters, or hang-on-back units. 📊 Technical Specifications Safely ignores simple elemental compounds to keep your
The spherical beads change from pale blonde to dark brown or black as they fill up with waste. buy purigen