Cheryl from Austin, Tx writes
Is there any way to calculate N/gal at a given concentration of Peters Professional Acid Special 21-7-7?
Answer:
The product label for Peters Professional Acid Special 21-7-7 states you use 1 tsp of product with 1 gallon of water equals 245 ppm (Parts per Million) of Nitrogen.
Answer last updated on: 02/28/2016
