Seachem Reef Builder size-473ml Meridian™ is the premium aragonite

Meridian™ is the premium aragonite substrate for the reef aquaria

Dimensions: 42cm (length) x 20cm (width) x 29cm (height)

Feather cat lure featuring hand-crafted soft and realistic feathers

Great for group feeding

Resistant to bleach

Seachem Reef Builder size-473ml Meridian™ is the premium aragoniteReef Builder raises carbonate alkalinity (KH) 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, magnesium, or strontium which usually tend to precipitate with increasing alkalinity. Reef Builder and Reef Buffer may be used together. Use Reef Builder to raise carbonate alkalinity without affecting pH. Use Reef Buffer to raise carbonate