TNB Naturals granular pH buffer solution DOWN 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 buffer solution DOWN is composed of all natural ingredients with the addition of no harmful chemicals. This innovative way to lower 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 TNB pH buffer solution (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 provide growers with a user friendly and safe way to maintain appropriate pH levels for optimal plant growth. Your safest option is TNB go granular with TNB!