EC/CF Calibration Fluid

Growth Technology pH Down is a stable solution of 81% phosphoric acid. It is used to lower the pH of your nutrient solution. It is a very concentrated product and a little goes a long way. How To Use pH Down Always...

Used to check and calibrate pH meters. Buffer 7 is a solution with a stable pH value of 7. To use pour out a little of the liquid into a cup and then follow the calibration guidelines of your pH...

All the quality you would expect from a Bluelab product in a handy pen form. The Bluelab pH Pen is an ultra-reliable and fully waterproof handheld pH meter. It can quickly and accurately measure the pH and temperature of your...

Growth Technology pH Up is a stable solution of 25% potassium hydroxide. It is used to raise the pH of your nutrient solution. It is a very concentrated product and a little goes a long way. How To Use pH Up Always add pH adjustments...

The Bluelab Truncheon has continued to prove itself as the best nutrient meter on the market. This ultra tough device is built to last a lifetime. It can measure your conductivity in a range of easy-to-read formats. It's 'long' design is perfect for stirring...