pH pen (Bluelab brand) thermo ** 1000 w Light kit

** 1000 w Light kit includes:

we recommend lighting during the evening hours and / or reducing light wattage

Colloidal soft rock phosphate

but it also improves soil conditions for the future

with 100 degree vertical and 90 degree horizontal oscillation and 7 speeds

pH pen (Bluelab brand) thermo ** 1000 w Light kitThis clever little handheld pen will help you manage the success of your crops. The pH pen provides a pH reading of the solution so you know that the nutrients will be made available to your plants. Comes with a 1 year limited written guarantee with proof of purchase. Features: measures pH and temperature ( C or F) Automatic temperature compensation (ATC) Double junction probe (not replaceable) Successful pH calibration indicator Holding reading