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B&Q£20.49Visit shop B&Q - Reptiles Premium Hydro Rocks 9LNatural Drainage Layer For Terrariums And Bioactive Setups
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The Swell Reptiles Premium Hydro Rocks (9 Litres) are a natural, chemical-free drainage substrate ideal for tropical and bioactive terrariums. These lightweight, porous clay pebbles retain water and prevent soil from becoming waterlogged, helping to regulate humidity levels and support strong root development in live plants. By creating a dedicated drainage layer beneath your main substrate, hydro rocks help trap excess water, reduce waste buildup, and create ideal conditions for rainforest reptiles like Chameleons and Dart Frogs. Pair with hydro matting to keep substrate layers separate and clean. Made from natural expanded clay, these rocks won’t degrade over time and are safe for all species. Swell Premium Hydro Rocks are a hydro culture with many benefits that aid in water retention and the formation of a strong root system. This drainage substrate comes in a 9-litre bag that will create a thick layer in most terrariums that can be topped by other media. This drainage layer will trap excess water, so that soil dries, and offers a good grip to plant roots. Unlike other media, these rocks are a natural product, so you can be sure they won't release chemicals into the nutrients within your soil and water. Hydro rocks create a drainage layer which prevents your soil from becoming waterlogged, removes waste and creates a reservoir to ensure high moisture levels within your enclosure. Drainage layers are suitable for lifelong operation as they don't erode or degrade. With good a drainage layer system, you can create high humidity enclosures for rainforest animals like Chameleons and Dart frogs. When you buy hydro rocks, we recommend also buying hydro matting, this matting separates the rocks from the rest of your substrate while allowing water to drip through. This is important as the hydro rocks require space between them to remain in optimum condition and the substrate will fill the gaps without matting.
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