QTY. 1. ECOLOGIC INST. CORP.

QTY. 1. ECOLOGIC INST. CORP. COLOR COMPARATOR FOR DETERMINATION OF PH 2 PH COLOR DISC 2 WATER CELLS 1 EYE PIECE 2 WATER CELLS (15 ML EACH) 1 EYEDROPPER 1 COLOR DISK MARKED CHLORINE 15 ML SAMPLE DPH INDICATOR BOTH MARKED 0.1 0.4 0.7 1.0 1.5 2.0 3.0 5.0. (ALL IN A WOODEN CASE).