I like Seachem's Reef Advantage Mag dissolves easily into you RO/DI topoff water , not too expensive.
__________________
265G 40G sump, 3X250W 15000K, T5 Actinics, Marine Tech 600 NW w Sanders 200mg/H ozonizer,Dart w/ OM 4 way, Vortech Mp40,Tunze wavebox,Calcium reactor, Fauna Marin low nutrient system.
|