Reeflowers Iceland Black Sand 3-5mm 7kg – Premium Soft Water Aquarium Substrate 151‑200+ Gallon Aquariums This 20ml bottle of concentrated

This 20ml bottle of concentrated reagent is designed for use with the KH Manager's automated testing system

700 up to 7

Euro-braced for added strength

keeping your water clean and your aquatic life healthy

Reliable and consistent performance for reef aquariums

Reeflowers Iceland Black Sand 3-5mm 7kg – Premium Soft Water Aquarium Substrate 151‑200+ Gallon Aquariums This 20ml bottle of concentratedReeflowers Iceland Black Sand (3 5mm) 7kg is a premium substrate specifically designed for soft water aquariums, including Discus tanks. This high quality sand is cleaned and sterilized using ultra filtration techniques and activated carbon, ensuring no chemicals or synthetic components are used. The smooth, rounded particles have no sharp angles or jagged edges, providing a safe environment for sensitive fish species while supporting the growth of