Gravels are one of the most important part of aquarium because they keep water fresh and healthy long and long time by absorbing all the waste they work as a good biological filter because most of the healthy bacteria grow between them they work as a great part in decoration these provide a very healthy environment to plant and fishes colored marble pebbles (10 to 30 MM Size) are available in 0.5kg pack, minimum 2.5 inch layer of gravels is very important for healthy aquarium. These 10-30mm size colored marble pebblesand is recommended for walkways, patios and similar areas of your yard. Perfect for walkways, patios and other areas this color can match wide range of home exteriors resists cracking and discoloration, giving beauty does not attract termites or ants in normal use landscape beauty that lasts forever Note : color may vary a bit due to camera effects and you monitor settings.
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