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...

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...

Bulkhead 20mm Drill 26mm min.

Bulkhead 25mm Drill 33mm min.

Bulkhead 32mm Drill 42mm min

Bulkhead 40mm Drill 52mm min.

Reductor PVC 50/40mm

Reductor PVC 40/32mm

Reductor PVC 40/25mm

Reductor PVC 20/16mm

Reductor PVC 16/12mm

PVC pipe grey 50mm PN10 1m lenght