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 18901208 12.85mS/cm 250mL Conductivity Solution, one bottle 500,00 Kč 51343101 pH electrode InLab Expert Pro Price on request MC720 MC720 Controller kit Price on request