Formula 35HD - Bacteria supplement for hydrocarbons in wastewater

Hydrocarbons in wastewater can cause serious problems. Hydrocarbons can contribute to volatile organic compounds emissions from wastewater treatment plants. In addition, hydrocarbons are detrimental to the health of the bacteria in the facility because they can alter the pH and oxygen levels in the wastewater.

Formula 35HD has a blend of specially selected microorganisms and micronutrients that degrade hydrocarbons such as gasoline, diesel, oil, grease, and petroleum solvents in wastewater. By effectively breaking down hydrocarbons, it improves the quality of wastewater.

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Formula 35HD Features


  • Industrial strength dry bacteria formulation

  • Biodegradable

  • Contains surface tension depressants, micronutrients, growth stimulants, broad spectrum enzyme systems, and penetrants in addition to microorganisms

  • Packaged in convenient, ready-to-use 1/2-lb water-soluble bags

  • Lives and reproduces in an environment containing no “free” or dissolved oxygen

  • Environmentally friendly

  • Available in 25-lb pail (Product# 142568)

Formula 35HD Benefits


  • Degrades hydrocarbons such as gasoline, diesel, oils, greases, and petroleum solvents

  • Increases system efficiency

  • Cost-effective treatment

  • Enhances BOD/COD removal

  • Reduces volatile organic compounds

  • Reduces odors

  • Improves system efficiency

Using Formula 35HD


Dosing Schedule:
Flow Rate Initial Dosage Maintenance
Up to 1,000 GPD ½ lb. per day for 3 days ½ lb. per week
Up to 5,000 GPD ½ lb. per day for 3 days 1 lb. per week
Up to 20,000 GPD 5 lbs.* 1 ½ lb. per week
Up to 50,000 GPD 8 lbs.* 2 lb. per week
Up to 250,000 GPD 15 lbs.* ¼lb. per day
Up to 500,00 GPD 25 lbs.* ½lb. per day
Up to 1 MGD 50 lbs.* 1 lb. per day
Up to 5 MGD 50 lbs. per MGD* 1 lb. per MGD per day
Up to 12 MGD 50 lbs. per MGD* ¾ lb. per MGD per day
Up to 100 MGDD 30 lbs. per MGD* ½ lb. per MGD per day
* Spread this initial dosage out over the course of 10 days.

* * Add as regularly as possible. If it is required to miss one day, add that day’s product with the next dosage.

Dosage rate will vary with flow rates, retention times and system variations.

Do not add to the treatment system at a location where toxic or otherwise adverse pH, dissolved oxygen or temperature conditions may exist at peak levels.

For optimal results the wastewater and treatment system should meet the following conditions:
Optimum Minimum
Influent pH 7.0 5.0
Dissolved oxygen, ppm 2.0+ 1.0+
C/N/P ratio 100/10/1 100/5/1
Temperature 30°C (86°F) 10°C (50°F)
Toxic metals, ppm
(E.g., hex., chromium)		 0 0

Storage and Handling:

Storage: Store in a cool, dry place.

Handling: Wash hands thoroughly with warm, soapy water after handling.

See label and SDS for safety information.

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