Pack BLUELAB - WATERPROOF PH -EC , ph , alkalinity and EC tester , electro conductivity , pack complete with 2 testers €250.20
Pack PACK PH ET EC waterproof PLATINIUM , ph tester and ec tester , alkalinity , electro conductivity €88.20
HM Digital - Hydromaster continuous monitor for pH/EC/Temp hm-500, ph, ec and temperature tester €359
Pack WATERPROOF HM DIGITAL PH80 - EC80 , ph , alkalinity and EC tester , electro conductivity , pack complete with 2 testers €102.60