Overcome Toxicity and Shield Bacteria

  • Mitigate potential upsets and protect bacteria from toxins
  • Works against Quats, PAAs, and other cleaning agents
  • Great for systems with frequent cleanouts
  • Dose rate & product info


CounterQuat is a next generation technology developed to protect wastewater bacteria from toxicity, especially the effects of quaternary amines. The use of quaternary amines has risen in all markets, but products to protect wastewater biology against quats have not risen to match. CounterQuat was created to aid wastewater operators who have no control over toxic compounds that may come down the drain, but want to protect their wastewater biology and avoid noncompliance.

CounterQuat works by further developing the polyprotein matrix that bacteria naturally use to shield themselves from environmental toxins. CounterQuat develops and strengthens this defensive barrier. The result is greater bacteria resilience, flocculation, and nutrient removal in the presence of toxicity. CounterQuat can be fed upstream of the plant or directly in the plant.  It is excellent for wastewater plants concerned with incoming toxicity killing their organisms and causing a cloudy effluent and loss of nitrification. In addition to protecting against quats, CounterQuat can also help to prevent toxicity upsets related to peracetic acid (PAA).

Shield Your Plant From Quat

Quaternary Ammonium Cations (QACs or Quats) are a major concern for wastewater operators dealing with food processing waste. Acute events can wipe out a plant, and even low amounts can disrupt a plant’s biomass when cold weather or other inhibitory factors are involved.



Dose Rate

Recovering From Severe Toxicity

Initial Dose 37.85 L per 3.785 MgL
Maintenance 22.71 L per 3.785 MgL

Preventative Dose

Initial Dose 15.14 L per 3.785 MgL
Maintenance 3.79 L per 3.785 MgL

CounterQuat Dosing

  • Add daily to aeration basin or headworks of plant
  • Can be metered in
  • Best used as a preventative treatment
  • May need to increase dose rates in cold weather

Product Pairings

Pair with ReBuild for a faster recovery.

Applications and Benefits

  • Aerobic systems
  • Lowers effluent TSS
  • Promotes flocculation
  • Protects against chemical toxicity
  • Safe and easy to use

Product Resources

PDF Downloads: Product info, SDS, and white papers

CounterQuat Product Sheet

CounterQuat SDS


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