5cm - 8cm Natural Aragonite Coral Sand
Small coral pieces, ideal for coral rubble filters, calcium reactor media or a different look in aquascaping.
Also may be used for coral fragging.
Serentiy Natural Aragonite Coral Sand is graded, triple washed, and is ideal for Marine and Reef Aquaria, and fresh water where a higher pH is required.
Serenity Natural Aragonite Coral Sand is the perfect substrate for the base of aquariums and also as filter media.
Naturally buffers pH and adds calcium