Seachem Reef Builder™ Aquarium Controller Modules and Accessories More convenient than two separate

More convenient than two separate bags of media

Pre-assembled water level mechanism with:

Made from food-grade resin

Calcium Propionate and Potassium Sorbate (as preservatives)

Previously branded Aqua-Pro

Seachem Reef Builder™ Aquarium Controller Modules and Accessories More convenient than two separateKey Features Net Weight: 300 g Raises carbonate alkalinity (KH) with minimal impact on pH A blend of carbonate sources that will not lower pH as competing bicarbonate only products can Will not deplete calcium, magnesium, or strontium Description Reef Builder raises carbonate alkalinity without immediately impacting on pH. With long term use there will be a tendency to stabilize at pH 8. 3. Used as directed, Reef Builder will not deplete calcium,