EM-1® Treatment for Septic Tanks 32oz

$45.00 USD
Shipping calculated at checkout.

EM•1® Septic Treatment is a safe alternative to synthetic chemicals that can be used for digestion of solids and deodorizing.   Use in septic tanks, portable toilets, boats, RV's, or buses to eliminate odors and make pump-outs easier.  

Certified Organic by CCOF
USDA Certified Biobased Product

  • Portable toilets in RV's Buses, Boats
  • Home septic systems

Pour 30 ml of EM-1 into your household toilet, or portable toilet. To use in septic tanks or boats, apply EM-1 Septic treatment into the holding tank once per month at the rate of 1 gallon per 1,000 gallons holding capacity.

Shipping Information

UPS and USPS can deliver most items within 3–5 business days. UPS is unable to deliver to P.O. boxes.

Shipping Rates

Concession rates: We offer a lower than normal rate on all products.


Expedite delivery rates are calculated at checkout.

Return Policy

At TeraGanix, we take great pride in the quality of our products. Upon receipt of your item, please inspect your purchase and notify us of any damage; we will arrange for a prompt replacement.

Within 30 days, you may return your items for a refund of the merchandise value.

The all-natural solution to holding tank odors.

100% safe for aquatic environments.   

EM-1 Septic Treatment controls odor by digesting the waste and organic acids and enzymes neutralise noxious gases, and  break down odors such as hydrogen sulfide.

Chemical free and certified organic.

Use EM-1 Septic Treatment to:

  • Eliminates Odors
  • Digests Solids
  • Digests Grease
  • Breaks Down Proteins
  • Prevents Mounding