MARCO ROCK POWDER 3LB RB-180 matching the levels in your

matching the levels in your aquarium to what can be found in the ocean will give you the best possible result for success

It is a nuclear grade deionisation resin that will physically change colour as it becomes exhausted

You can also place your pumps closer to the surface of your aquarium without the worry of pulling a noisy vortex of air and improving surface agitation for maximum gas exchange

especially red

MARCO ROCK POWDER 3LB RB-180 matching the levels in yourCreating perfect aquascapes is now easy. No more crushing rocks, simply sprinkle on 2 joining rocks, use the Gallery Aquatica Aquascaping Glue and watch the magic happen.