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https://www.swelluk.com:443/swell-black-lava-gravel-coarse/ 
Swell Black Lava Gravel - Coarse
100% natural gravel that can be used in any aquarium type.
Products
Product Information
Professional quality natural black gravel aquarium substrate, sustainably sourced and 100% natural. Suitable for use in all types of aquariums where a dark coloured substrate is desired.
Comprising in excess of 96% inert basalt and granite materials our Bridport Gravels together with smooth rounded particle shape makes the gravel a ideal product for Marine aquariums, Tropical and Coldwater setups alike. The close grading of our Beach 49 Gravel ensures a uniform look, and with a signature lighter coloured granite fleck demonstrating that this is not a artificial gravel that has been coloured black.
The natural look of this gravel is favourable to many, match with some of our aquarium decor to really bring your tank to life.
Key Features:
- Come pre-washed, graded and kiln dried
- Mixture of 3mm -10mm sized stones
- Non artificial, naturally coloured
Latest Customer Reviews
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Rating Date 04/10/2021 09:10am Swell Black Lava Gravel Coarse - 15kg
The colour and gloss of the stones do not match the image shown on the product description page. This may be due to the friction between the stones, caused during transportation.
The quantity supplied is sufficient to provide a healthy coverage for plant roots in Juwel Primo 110 tank. -
Rating Date 15/09/2021 08:09am Swell Black Lava Gravel Coarse - 15kg
Product looks fantastic had to give it a couple of washes before adding to the tank -
Rating Date 30/03/2021 03:03am Swell Black Lava Gravel Coarse - 15kg
Looks great in my tank. More grey in colour than black.