CHEMSOLUTE Universal pH-indicator paper, pH 1-14, 5m x 7mm, Refill pack with 3 rolls Back Catalog number: 2814-3ROLL Availability: In the manufacturer's stock Price on request - + Recommended MA905B/3 Combination pH electrode MA905B/3 Price on request 18901200 PH6.86 500mL 6.86pH, one bottle 500,00 Kč 18901177 DCON2010 Cond probe, K=10, 1 300,00 Kč