Seachem Alert Combo Ph & Ammonia Marine Skimmer Koi ponds → always size

Koi ponds → always size up for best clarity

Powerful Design – A complete reef system that fits beautifully into smaller spaces without compromising on technology

Aquarius Fountain Set Eco 5500

This product is 17x13x21cm

At 240 litres capacity

Seachem Alert Combo Ph & Ammonia Marine Skimmer Koi ponds → always sizeAmmonia Alert lasts 1 year Freshwater & Marine pH Alert lasts 3 6 months Freshwater Ammonia Alert is an innovative color device for continuously detecting and monitoring toxic free ammonia. A sensor changes reversibly from yellow to green to blue, relative to the ammonia concentration. No test kits, chemicals, or procedures are needed. The device detects less than 0. 05 mg L (ppm) free ammonia and alerts you to the #1 killer before any sign of stress.