JBL Easy Test 5 in 1 - 50 test strips. - pH test from 5.5 to 9.0 (acid content of water). - CH test from 0 to 40°GCH (pH-stability of water). - TH test from 0 to 50°GCH (total...

Rubber suction pad with clips for objects of 16 mm diameter. • 2 complete suction pads per pack. • Black rubber suction pad with sturdy black clip. • Clip and...

Wood "airstone" for saltwater. • Constant air supply. • Very fine air bubbles. • Increases the efficiency of protein skimmers • 2 sizes - Size M -4,5cm...

Green aerating stone. • New: made out of a extra fine pored silica sand mixture for outstanding fine air bubbles (therefore named “Micro”) • Long conical...

Aerating stone set. • New: made out of a extra fine pored silica sand mixture for outstanding fine air bubbles (therefore named “Micro”). • Consisting of 3...