UNS Controsand 3L - Tahoe - Gravel Connected Available in five sizes: 75

Available in five sizes: 75 GPH (for aquariums up to 10 gallons)

Spot-dose up to 1ml per 10L

clear and healthy aquarium

denitrification

you can enjoy all of this at an affordable price

UNS Controsand 3L - Tahoe - Gravel Connected Available in five sizes: 75Ultum Nature Systems Controsand is a natural substrate for the planted aquarium. It will not alter water parameters and can be used in various applications. Rinsing is recommended before use to remove finer grains. Bora is a fine natural sand containing a mixture of lighter tones that is perfect for highlighting vibrant aquatic plants, tropical livestock and darker layout materials. Bora is ideal for a wide variety of popular aquascaping styles.