Dennerle Calibration solution pH 4 - 50 ml

Dennerle KCI 50 ml For storing pH electrodes.

Dennerle Aqua Dest 250 ml Distilled water for rinsing pH electrodes.

Air stone ball 50 mm

Hs Aqua Aquarium hose Transparent per meter Sold per linear meter.

Test solution for electronic pH devices The various sera test solutions (pH 4.0 / pH 7.0 / pH 9.2) are suitable for all electronic pH devices.