High-performance, broad-spectrum water treatment microbicide


Isothiazoline microbicide is a high-performance, broad-spectrum antimicrobial agent effective at very low concentrations in controlling bacteria, fungi, and algae in water treatment and paper mill applications.



  • Water treatment
  • Paper mill applications


  • Rapid inhibition of microbial growth and enzyme synthesis
  • Broad-spectrum activity leading to lower costs
  • Effective at low concentrations
  • Low toxicity
  • Biodegradable and non-persistent in the environment
  • Effective over a wide pH range
  • Effective against biofilm


These properties are typical but do not constitute specifications.

Appearance Clear to slightly hazy liquid
Color Pale yellow green
Odor Mild
Specific Gravity (20°C) 1.02
pH (as supplied) 3-5
Viscosity (cps) (15°C) 19.0
Viscosity (cps) (25°C) 19.0
Viscosity (cps) (35°C) 19.0

Please contact a Mid South Representative for additional product information and pricing.