Tideline Reef Rock Arches 37lbs and 2x magnesium tests per

and 2x magnesium tests per day

If you are going to keep them in the bottles for an extended period

For invertebrates

freeze thaw and keep from freezing if at all possible

A red cover for the riser in the cup ensures no skimmate spills out while carrying

Tideline Reef Rock Arches 37lbs and 2x magnesium tests perPerfect for creating a realistic looking reef! Features 2X volume to weight ratio compared to other rock Unparalleled microporosity to maximize bacterial colonization pH Neutral Will not leach nitrates or phosphates Many unique shapes and sizes Tideline Reef Rock is the new standard of premium live rock alternatives. Build the seasoned look of a reef instantly with a rock that is not only friendly to the environment, but has the looks to match. Each