Aquatic Sunstone 4.4lb Aquarium Gravel, for Terrariums, Vivarium's, Fish Tanks Aquatic Sunstone 4.4lb Aquarium Gravel is made of non-toxic material, safe to your fish and will not affect PH of the water. Colorful gravel pebbles can be used as decoration for fish tanks, Aquariums, Vivarium's, plants, vases or other places 4.4 Pounds. Aquarium gravel is the ideal way to enhance the appearance of your fish tank. Chosen from selected silicate aggregates known for their inert properties. Suitable for all types of aquarium set-ups including cold water, tropical and saltwater. Roman decorative aquarium gravel is also the perfect planting medium due to its finer size. Increased surface area allows for improved anaerobic activity. Will not change the PH of the water. ? 4.4lb quality gravel ? Substrate Suitable for all types of Aquariums ? Perfect planting Medium ? Will not alter PH levels We sell many aquatic products online, check out our store!! Terms and Conditions. We use all approved methods for accepting payments. Sales Tax will be added to all shipments based regulations. We always try to combine purchases, please contact us directly for a personal service. You will be notified on the day that your goods have been dispatched via e-mail with tracking which is used on all purchases. Please note that if there are any problems, contact us first via e-mail giving full details of any problem along with your user ID. We use USPS and UPS as our chosen carriers shipments to Hawaii, Alaska Puerto Rico may incur surcharges, contact will be made to advise before shipment at which point the order can be canceled if desired. Orders placed on Saturday/Sunday Public Holidays will be processed next working day. We pride ourselves on excellent feedback, if any part of the buying experience is not to your satisfaction, please contact us to rectify before leaving feedback. By committing to buy you are agreeing to the Terms Conditions stated above.