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Ships within 48 hours · Estimated delivery Sep 13 - Sep 18
Maintaining the correct magnesium concentration is equally important in a reef aquarium and will make it much easier to keep calcium
while over time real coralline algae will colonise the surface
this allows for a same model (XR15 and XR30) upgrade path for G5 to G6
3" 4" × 17
D-D MARCO HYBRID ROCK CORALLINE 18KG BOX not-on-sale Maintaining the correct magnesium concentration!!! ATTENTION!!! WE WOULD LIKE TO POINT OUT THAT DUE TO ITS DELICATE WORKMANSHIP, THE ITEM MAY BREAK DURING SHIPPING, DESPITE CAREFUL PACKAGING. ORDERING THE ITEM IS AT YOUR OWN RISK. This rock is a mix of Premium Shelf and ReefSaver. It comes from certain localized areas of the ancient reef and forms some unusual natural shapes that also exhibit some plate formation. It can be used alone to form a more layered reef or it can be mixed with the other
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