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

KH Reference 1000 ml

Support 2 electrodes Support for 2 electrodes. Fixation at the southern aquarium of vertical windows. Possibility of reliance on the immune probe of the electrode

Test fluid 35 ppt for refractometer 60 ml

Refractometer led Temperature compensating refractometer with LED illuminated scale for salinity determination The refractometer is a precision optical instrument used to determine the salt concentration in saltwater aquaria. Its exact value can be determined in seconds and can be read either as absolute salt concentration (‰, ppt) or as specific...

pH monitor Aqua Medic This handy inexpensive pocket measuring instrument is supplied with a universal wall mount and electrode holder along with a long-life glass electrode, buffer solution and 9 V battery. The Auto Power Off function ensures a long life of the battery.

pH electrode glass Aqua Medic pH- and mV-electrodes (Redox-potential) are quality products designed for both accurate measurement and long, trouble free use. Both types of electrodes are available in three versions: Standard electrodes - with plastic shaft, glass electrodes – laboratory standard for extended performance. Electrodes with plastic shaft and PG...