TNB Naturals granular pH UP is non-caustic so it won't burn your hands and since it's so gentle, it won't harm the beneficial bacteria. It's even safe for use with aquaponics. 

TNB pH Up is composed of all-natural ingredients with the addition of no harmful chemicals. This innovative way to raise the pH levels of your hydroponic or liquid fertilizer is both simple and cost-effective. Simply add a small amount to your water, mix thoroughly and check your pH levels.

The pH (potential hydrogen) of a nutrient solution is a very important aspect of plant growth and proper management is essential for healthy plants and lush gardens. TNB Up and Down provides growers with a user-friendly and safe way to maintain appropriate pH levels for optimal plant growth.