Caribsea Live Substrate - Marine Arag-Alive Hawaiian Black 9kg (00797) Pond U3 and U4 have an

U3 and U4 have an adjustable 3 way flow control to position the flow to suit your needs

Instant Chlorine and Chloramine Removal: API Stress Coat instantly removes chlorine and chloramines from tap water

leading to cleaner and clearer water quality

API Stress Coat helps prevent the loss of essential electrolytes and protects damaged tissue against disease-causing organisms

nicotinic acid

Caribsea Live Substrate - Marine Arag-Alive Hawaiian Black 9kg (00797) Pond U3 and U4 have anCaribSea Aragonite Hawaiian Black Sand contains authentic reef sand and never needs replacing. Complete with specially selected marine bacteria, this sand helps coral growth and works to eliminate nuisance algae. Contains marine bacteria to suppress "new tank syndrome" and compress ammonia cycles. Reduces nitrates Helps maintain proper pH levels Maintains calcium and alkalinity Made in USA Ingredients: Biogenic Aragonite and other Marine Carbonates