TestLab Jbl

JBL TestLab 2 x pH 3.0 - 10, pH 6.0 - 7.6, CO2 tables, 2 x GH, KH 2 x phosphate PO 4, ammonium NH4, NO2 2 x nitrite, nitrate NO3, Fe iron. Waterproof briefcase with 11 plastic specimens. It contains tables to record all results. It includes syringe to measure amount of water. It includes two syringes to easily and accurately measure the volume of water.