Happen to stumble on this, and have been using Biogurd chems for 12 years and find them to be superior. Called the factory a few times for tech info…
1730 Coleman RdAnniston, AL 36207
From Business: We service Electric Motors, Pumps, Gear Boxes, Spas, Furnaces & Swimming Pool Service & Repair. Rebuilt Motors, Surplus Electric Motors, A/C and D/C motors.