Bluelab pH 4.0 Solution Sachets (30) Shipping with a prolonged lifespan for

with a prolonged lifespan for year round benefits

CANNA Flush is a product to clean substrates and plants from any excess nutrients

Products > Plant Lighting

With a powerful 12-volt capacity

12 x 250ml

Bluelab pH 4.0 Solution Sachets (30) Shipping with a prolonged lifespan forBluelab's 2. 77EC Conductivity Solution, pH 7. 0 and pH 4. 0 Calibration Solutions are now available in 20ml sachets. pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7. 0 first (buffer) then to pH 4. 0 (slope). The 2. 77EC Conductivity solution is used as a reference or checking solution to ensure you have adequately cleaned the EC CF probe.