EC, PH & Temp Combo Pen AQUAMASTER P100 Pro Water Tester, Nutrient, Conductivity Contactor Board ONA Liquid is safe to

ONA Liquid is safe to use in household or commercial areas due to it’s effective properties

however many growers have had fantastic results by deviating from these guidelines

Biobizz Microbes can be used alone

or even killing

EC, PH & Temp Combo Pen AQUAMASTER P100 Pro Water Tester, Nutrient, Conductivity Contactor Board ONA Liquid is safe toItem Description The updated Combo Pen P100 Pro features a modern and robust housing. The improved software now ensures quicker readings of accurate measurements. You can easily replace the electrode should it be worn or damaged. The Combo Pen P100 Pro is ideal for measuring the EC, pH and temperature of liquid plant nutrition and water in swimming pools, Jacuzzis and ponds. The user friendly buttons can be used to effortlessly switch between the