Bluelab pH Pen testkits you get 100% of your

you get 100% of your money back because of our Grower Guarantee

you skip buying and learning how to mix multiple formulas

1x 500ml Liquid Weight

which keeps stems

humic acid’s chelating properties turn the nutrients into a form that is easy to uptake by the plant

Bluelab pH Pen testkits you get 100% of yourPlants get their food from minerals but they can only uptake those minerals if they are made bio available by feeding at the correct Ph. Think of nutrients like a lock, and pH is the key. A key factor that affects nutrient uptake is whether your solution is acidic or alkaline, and we measure this in pH. The Bluelab pH Pen also measures the temperature of the solution, as root health is vital to the success of a crop. Temperature affects the growth