• Commercial strength deodorization tackles the toughest odors.
• Lubricates valves for a smoother flow.
• Cleans your holding tank and sensors for more accurate readings.
• Septic safe.
• Effective even in high temperatures and all weather conditions.
• (1) 4 oz dose treats a 40-gallon holding tank for 7 days.
  • For portable toilets - use 2 oz.
  • For longer holding periods, larger tanks or temperatures above 85-degrees, use an extra 2-4 oz as needed.
• Integrated measuring cup for accurate pouring.
• Requires 1-2 quarts of water, or enough to cover the bottom of your tank.
• Do not mix with any other tank treatments containing formaldehyde.
• 100% biodegradable.
• Contains no perfumes or staining dyes.
• Safe for disposing of at any proper waste station.
• Do not store in freezing temperatures or below (32-degrees Fahrenheit / 0-degrees Celsius).
• Formaldehyde-free.
• Shelf Life: 2 years.
• Sold as a 40 oz bottle.
• Weight: 3.58 lbs.
• Made in the USA.

Walex Bio-Active Holding Tank Treatment - 40 Oz