Natural Lava Rocks Medium Size Filter Media for Sump Tank, Pond, Fish Tank, and Aquarium DIY Filter

Natural Lava Rocks Medium Size Filter Media for Sump Tank, Pond, Fish Tank, and Aquarium DIY Filter

• Natural Lava Rock is 100% natural, non-toxic and eco-friendly. No fillers or colors added. They are extremely heat resistant and highly durable. We handpicked and bagged the lave rock to make they are good quality.
• Widely Usages Lava rocks are also ideal for garden landscaping decoration, potted plants, garden mulch, aquariums, water gardens and ponds etc. Lava rocks are great in soil to retain moisture for plants and the special porous structure can absorb impurities in the fish tank.
• Size and Weight vary in size from 1/2” to 1 inch. It is shipped in a 1kg quantity. Red Color. The color of this lava rock is natural and non-fading, it may include a variety of different shades of Red.