Bluelab® Combo Meter Plus Size:Bluelab Combo Plus Meter - Probe Included The knob that doubles as

The knob that doubles as a button when pushed lets you easily program this product

Replacement MERV-11 filter for the Quest PowerDry 4000

This controller gives you the ability to set day and night temperature levels

10 sec to 20 min ON TIME

Bluelab® Combo Meter Plus Size:Bluelab Combo Plus Meter - Probe Included The knob that doubles asThe Bluelab Combo Meter Plus is an all in one, convenient portable solution for accurate measurement of pH, conductivity and temperature in nutrient solution. The battery powered, lightweight unit can be used anywhere, anytime to measure critical parameters related to nutrient uptake in plants. The Bluelab Leap pH probe also allows fast and accurate pH measurements direct from the root zone in a wide range of growing media including soil, rockwool,