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

Buffer solution pH 4

Digital Spoon Scale Ensures precise dosing of any chemical or supplement When precision matters, the Seachem Digital Spoon Scale is the perfect companion tool for the serious aquarist. Accurate and easy to use, it will ensure precise dosing of any chemical or supplement. It is ideal for use with any of Seachem dry products. Display results in either...

KH Reference 1000 ml

Areometer 260mm with measuring cylinder

Aquaria protection gloves 90cm (x10) - Lenght 90cm - With arm protection - Protection against water and cnidarians.

Buffer solution conductivity 1.41ms