Pay in 4 interest-free payments of $2.75 Learn more
Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Colony delivers fast
Ideal for aquariums up to 24 x 24 inches per unit
It seamlessly integrates with other Focustronic products such as Alkatronic
the Neptune MOS offers a dependable solution to keep your water levels in check
Seachem Reef Advantage Magnesium 600g – High Strength Reef Supplement caribsea reactor media Colony delivers fastSeachem Reef Advantage Magnesium 600g is a highly concentrated (80,000 ppm) dry magnesium supplement formulated to restore and maintain proper magnesium levels in reef aquariums. It uses an optimised blend of magnesium, chloride, and sulfate salts to correct deficiencies while preserving the natural ionic balance of seawater. Unlike liquid magnesium supplements, Reef Advantage Magnesium contains no ammonia, ensuring safer dosing and cleaner reef
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