Bluelab Replacement pH Probe for Combo / Maestro Meters Root Disease Control It works alongside your base

It works alongside your base nutrient to boost your plants’ metabolism and speed up photosynthesis

Raw B-Vitamin can be used at all times of growth and bloom and is a beneficial supplement to all feeding schedules

such as during the night

like clay pebbles

Bluelab Replacement pH Probe for Combo / Maestro Meters Root Disease Control It works alongside your baseBluelab Replacement pH Probe for Combo Maestro Meters If your original Bluelab probe gets damaged or lost then replace it with the Bluelab Replacement pH Probe compatible with Combo and Maestro meters. The Bluelab Replacement pH Probe like the original is fully waterproof, easy to clean and durable thanks to its tough polypropylene barrel. The Bluelab Replacement pH Probe comes with two metres of cable and a suction cup if you want to permanently