PORT | Holding Tank Treatment

$ 94.00


2.5 Gallon 1 Gallon Quart 2x2.5 Gallon Case 4x1 Gallon Case

PORT | Holding Tank Treatment

$ 94.00


2.5 Gallon 1 Gallon Quart 2x2.5 Gallon Case 4x1 Gallon Case

Products ship next day and are usually delivered in 3–7 days.

PORT is a powerful outdoor restroom and holding tank treatment that provides rapid waste degradation and odor control. PORT efficiently and effectively breaks down solid waste, clears bio-solids in septic systems and opens up clogged pipes, often adding years between tank pumping.

Benefits of PORT:

  • Eliminates unpleasant odors rather than simply covering them up with perfumes or fragrances
  • Harmless to human, animal and marine life
  • Digests difficult compounds toxic to naturally occurring beneficial bacteria or existing sewage bacteria
  • Breaks down difficult detergents, fats, oils, tissue and hydrocarbons with biological additives
  • Reduces corrosion resulting from leaching hydrogen sulfide
  • Non-corrosive and non-pathogenic
  • Safe to handle and store
  • Free from harsh chemicals

PORT is also available in ourPour the PORT Septic Tank Treatment Subscription.

mircobes organic acids carbon

PORT is a USDA Certified Biobased Product®. This means that it's made of primarily biological products and therefore considered an alternative to petroleum-derived products by the USDA.

USDA Certified Biobased Product

Southland Organics is fully registered with SAM.gov

Application Rates More Details Documents PORT | Holding Tank Treatment: Secret Ingredients FAQs

Septic Tanks

Once per month, pour PORT down your drain or flush it down the toilet. For normal use in a 1,000 gallon septic tank, apply 1 quart of PORT on the initial application and 8 ounces each month thereafter. If your tank is problematic, apply 1 gallon of PORT.

PORT can completely clear a clogged septic system drain field.

Vault Toilets

Add 2.5 gallons of PORT and 15 gallons of water per 1,000 gallon vault as needed. During increased traffic, add 1 gallon of PORT between cleanouts or as needed.

For best results, add PORT (diluted in water as specified below) when the vault has been freshly pumped. Then, the vault can be left to fill to capacity without any additional product needed. If solids begin to exceed the water line, additional water may be needed.

Vault Size Dosage Water to Add
3,000 gallons 7 gallons PORT 49 gallons minimum
2,000 gallons 5 gallons PORT 35 gallons minimum
1,000 gallons 2.5 gallons PORT 17.5 gallons minimum
500 gallons 1.25 gallons PORT 9 gallons minimum

Other Biological Odors

When diluted at a 1:7 product to water ratio in a backpack sprayer, PORT can be used to solve any biological odor, including garbage dumpsters, organic spills and animal decomposition.

PORT is a powerful liquid formula that provides rapid waste degradation and odor control for portable, vault and pit-type toilets, plus camper toilets and more.

PORT efficiently and effectively breaks down waste in your septic tank and clears bio-solids. In septic tanks with a drain field, PORT breaks down solids and opens up drain lines, potentially adding years between septic tank pumping.

PORT is one of the best septic tank treatments out there because it makes use of beneficial bacteria to break down solid waste so that no harsh chemical additives are necessary.

The active beneficial bacteria cultures in PORT are capable of breaking down human waste, toilet paper, household waste from the garbage disposal, feminine hygiene products and other solid waste. When used as regular septic system maintenance, PORT can provide a healthy bacterial ecosystem that ensures your septic system works smoothly year-round.

Your septic tank works through a simple digestion process. Natural bacteria in human waste and other solids create a sludge layer in your septic tank. If left without a septic treatment, anaerobic septic systems can be problematic because this sludge can build up and cause clogs. Aerobic bacteria in PORT break down the scum layer created by anaerobic bacteria, clearing out the septic tank of too many solids and ensuring the septic system is functioning properly.

PORT works well for all tank sizes, and the application rate can be adjusted as needed. If you have a smaller septic tank, you can decrease the dose, and if you have a larger septic tank, you can increase the dose.

Digests Difficult Compounds

PORT contains a synergistic blend of scientifically selected bacteria cultures (selectively adapted) to cope with difficult compounds and harmful chemicals present in wastewater effluent. Unlike other septic tank treatments’ bio-formulation, PORT contains live bacteria that digest difficult and non-biodegradable compounds, such as detergents, paper, oil, grease, hydrocarbons and phenols. PORT can dissolve solids and digest grease, and unlike most treatments, it is powered by active bacteria to clear your home plumbing lines.

No more DIY hydrogen peroxide solutions or toilet paper buildup! Some folks like to use organic solvents and inorganic acids as septic treatments, but PORT is a much more innovative, simple and safe solution. Our septic treatment contains active bacteria cultures that can reduce solids with just one monthly dose.

Provides Amazing Odor Control

PORT's bacteria population provides exceptional results in controlling hydrogen sulfide and other mercaptan odors emitted from your septic system or portable toilet. Our monthly septic tank treatment is a new and novel, totally organic product that controls sulfide odors by blocking the pathways of sulfide-producing compounds. PORT is also unique in that it contains micro- and macro-nutrients that provide the necessary bacteria to accelerate microbial activity, growth and performance in septic systems.

Maintains a Healthy Septic System

Southland Organics’ PORT is all natural and organic, so it is very beneficial to the environment. That's why it's one of the best septic tank treatments! With no harmful chemicals, PORT is safe to enter the drain field around your septic tank. PORT won't alter your soil structure or degrade soil content like some other products.

Your drain field might double as your yard—an area where your kids play or pets run around. When you use PORT for your septic system, you don’t have to worry about any chemical additives that may be toxic to you, your family, your pets or wildlife.

Plus, the runoff from your septic tank can impact the local groundwater system. By keeping harsh chemicals out of your septic system treatment, you can promote a healthy ecosystem.

Ideal for Septic Tanks and More

PORT is ideal for use in the following applications:

  • Septic systems
  • Portable toilets
  • Marine toilets
  • RV toilets
  • Portable testrooms
  • Holding tanks
  • RV tanks
  • RV tolding tank treatment
  • RV black tanks
  • Portable camping toilets
  • Chemical toilets
  • Marine holding tanks
  • Boat holding tanks
  • Pit and vault toilets
  • Maintenance and restoration of septic system drain fields

PORT also dissolves grease and eliminates odors in grease traps, wastewater lift stations and RV dump stations.

How PORT Compares to Other Septic Tank Treatments

Compared to other septic tank treatments, PORT has three main benefits: safety, bacteria use and versatility. Even products that are typically considered the best septic tank treatments can contain chemicals that are not completely safe to enter your drain field or wastewater stream. After all, in most places, this water eventually turns into your drinking water!

PORT is a bacteria-powered septic tank treatment. Not only does this help make it safe, but it means that you can address the living organisms that clog your septic tank with more living organisms. The biological additives in PORT just make sure those harmful bacteria stay in check!

Plus, PORT isn’t only a septic tank treatment. Since it is designed to work with waste effluent biology, it’s effective in any tank or wastewater disposal system. Its application rate can be adjusted for any tank size you’re working with.

PORT leverages three core ingredients to eliminate odors and break down solids and sludge in tanks, vaults and pits.

Beneficial Microbes

The added beneficial microbes help decompose waste without harming the environment. This active, aerobic microbiology works against anaerobic bacteria in tanks to clear solids and eliminate odors.

Organic Acids

Organic acids and top-quality, organic carbon work to break surface tension in tanks, thus eliminating biofilm buildup. Tanks, vaults and pits can function without getting clogged or developing strong odors.

Active Carbon

In terms of waste management, carbon has three main functions. Carbon binds hydrogen sulfide, which eliminates odors caused by decomposing organic matter. Adding carbon to a tank, vault or pit increases the carbon to nitrogen ratio, which speeds up the composting process. Carbon feeds the microorganisms that break down solids, helping them break down faster.

With these three secret ingredients, tanks, vaults and pits can function better, require fewer pumps and resist odor development—all without harming the environment!

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