Seachem Alert Combo Ph & Ammonia Marine Skimmer This product is 17x13x21cm

This product is 17x13x21cm

Koi ponds → always size up for best clarity

Aquarius Fountain Set Eco 5500

3×57 cm 3×57 cm 2×10 cm 6 m 3 m 1 120×80 cm R42082 6 2 6 1 1 2×118 cm

Ideal for creating vibrant aquascapes or housing coldwater fish

Seachem Alert Combo Ph & Ammonia Marine Skimmer This product is 17x13x21cmAmmonia 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.