VPS pH UP Indoor Gardening The Bluelab pH Probe is

The Bluelab pH Probe is a replacement pH probe (electrode) suitable for use with Bluelab products that test the pH value of a solution

Kelp + humic acids support nutrient uptake and root-zone efficiency

1-44 GPM Operating Pressure 7-150 psi Body Material Glass-reinforced nylon Flow Control Yes (manual stem)

holding voltage drop tight across the chain

Move unused packets into an airtight tote and rotate stock

VPS pH UP Indoor Gardening The Bluelab pH Probe isVentana Plant Science pH UP offers exceptional control and stability for your hydroponic growing system. This ultra concentrated solution contains 45% horticultural grade potassium hydroxide (KOH), effectively raising and stabilizing nutrient solution pH to optimal levels for plant health and nutrient uptake. Available in convenient 1 gallon, 5 gallon, and industrial 55 gallon drum sizes for growers of all scales. Safety Information: Highly caustic;