Do you think it’s important to maintain salinity precisely? We’re with you. That’s why we created AccuraSea Seawater Reference Solution, the only calibration solution of its kind made from real seawater. It’s pure natural sea...

Our reference is ideal for checking various water tests, as well as arometers and refractometers.   Our reference includes: Salinity 35 PSU Carbonate hardness 7.5 ° dKH Magnesium 1313 mg / l Calcium 421 mg...

20 ML BAG 35 ppt calibration solution for the HI98319 Salinity tester

CALIBRATION SOLUTIONS FOR APEX SYSTEM   pH Calibration 4, 7 and 10 Standards. Select the 7 & 10 standards to calibrate a pH probe for a Saltwater Aquarium Select the 4 & 7 standards to...

Aquaforest AF Reference Solution on vertailuliuos vesitestien tulosten tarkistamiseen. Se soveltuu KH-, kalsium-, magnesium-, kalium- ja strontiumtestien tarkkuuden arviointiin sekä yhteensopivien mittalaitteiden tarkistamiseen ja kalibrointiin. Vertailuarvot Suolapitoisuus: 35 ppt KH: 7,3 dKH Kalsium (Ca): 425...

Achieve accurate pH readings and check your meter and electrode is functioning correctly with Hanna buffer solutions. Available in convenient, ready-made pH values 4.01, 7.01 and 10.01 premium quality pH calibration buffer produced in accordance...