AMMONIA ALERT-. No tests, no strips. Continuously monitors free ammonia. Marine and freshwater. Ammonia Alert is an innovative color-changing sensor for detecting and monitoring toxic free ammonia. A sensor reversibly changes from yellow to green to blue, depending on the ammonia concentration. No test kit, chemical or procedure is required. The...

Ion Director Multi-Reference Highly precise and stabilized reference solution for ION Director calibration and cross-checking. Max. tol. +/ - 1% Ca: 420 mg/l Mg: 1300 mg/l K: 390 mg/l Na: 10700 mg/l NO3 11 mg/l

Ion Director reference B 500ml

Ion Director reference B 1000ml

Ion Director reference A 1000ml

Ion Director reference A 500ml

Test Phosphate - 100 tests

Test Magnésium - 75 tests

Buffer solution pH 4

Reef Energy plus 5L (Coral Nutrition AB+) All-In-One Coral Superfood An all-in-one superfood that will have your corals thanking you, delivering better growth, higher resilience, brighter colors, greater ease of use with automatic dosers, and minimal over skimming.

Reef Energy plus 1L (Coral Nutrition AB+) All-In-One Coral Superfood An all-in-one superfood that will have your corals thanking you, delivering better growth, higher resilience, brighter colors, greater ease of use with automatic dosers, and minimal over skimming.

Reef Energy plus 500ml (Coral Nutrition AB+) All-In-One Coral Superfood An all-in-one superfood that will have your corals thanking you, delivering better growth, higher resilience, brighter colors, greater ease of use with automatic dosers, and minimal over skimming. <div id="gtx-trans" style="position: absolute; left: 122px; top:...