Brand: Two Little Fishies
STAX™ is porous natural oolitic limestone rock cut flat on both sides for building layered aquascapes in marine or freshwater aquariums. Provides a stable structure and limitless creative fun! Avoid introducing pests and create the aquascape of your dreams.
Brand: Marco Rocks
Rock made of 100% natural Calcium Carbonate. No chemical additives used in the manufacturing process. Often you will be able to find fossilized corals in the rocks.