Bluelab STSOL120 KCL Storage Solution 120ml pH Probe and Pen, Maintain Meters Used for Water, Soil, and Hydroponic System or Indoor Plant Grow White

What if you could extend the life of your pH pen and probe, and improve their accuracy for precise pH up and down adjustments? With Bluelab's KCl solution, you can! This easy-to-use storage solution is specifically designed to keep your pH measuring tools in top condition, ensuring reliable readings every time.

And with its 120ml bottle, you'll have plenty of solution on hand for all your hydroponic needs.

Don't settle for anything less - choose Bluelab TDS (PPM) meter, tester and other hydroponics tools for full garden nutrient monitoring in water and soil.

Upgrade your pH measuring game today!