OPTION 01
Monthly additive
When it fits: Never needed, according to Georgia DPH.
- Easy to buy and use
- DPH calls it not beneficial
- May send suspended solids to the field
- Does not reduce the need to pump
SEPTIC GUIDE · ADDITIVES
Are septic additives worth it?
Georgia's public health department has studied the question and published a clear answer. Here's what it says, why products can backfire, and where your maintenance dollars do more good.
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or call (678) 863-5620The short answer
Are septic additives worth it?
No. The Georgia Department of Public Health advises that septic additives are not beneficial and can be detrimental. Household wastewater already supplies the bacteria a tank needs, and some products push fine solids out to the drain field. No additive replaces periodic pumping, which UGA Extension recommends every 3 to 7 years.
Reviewed by Atlanta Water & Sewage Solutions · Last updated
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- Homeowners across metro Atlanta, from our shop in Oxford, GA
Key facts
Septic additives: what Georgia sources say
Each row links to the agency, code or publisher it comes from. Tap a source to check it yourself.
| Topic | What it says | Source |
|---|---|---|
| DPH verdict | Additives are not beneficial and can be detrimental to an on-site system | Georgia DPH — Don't Flush Your Money Down the Drain: Additives and Your On-site Sewage Management System |
| Where the bacteria come from | A working system gets all the bacteria it needs from the wastewater itself | Georgia DPH — Don't Flush Your Money Down the Drain: Additives and Your On-site Sewage Management System |
| Biological products | Can break solids into fine particles that stay suspended and move to the drain field | Georgia DPH — Don't Flush Your Money Down the Drain: Additives and Your On-site Sewage Management System |
| Chemical products | Acids in some formulas can corrode concrete tanks and distribution boxes | Georgia DPH — Don't Flush Your Money Down the Drain: Additives and Your On-site Sewage Management System |
| What Georgia rule bans | Strong bases, acids and organic solvents in system operation (Rule 511-3-1-.17(3)) | Georgia DPH Rules Chapter 511-3-1, On-Site Sewage Management Systems (Jan 2016), 2016 |
| What replaces additives | Periodic inspection and pumping, ideally every 3 to 7 years | UGA Extension Bulletin B1421, septic system care (rev. Oct 18, 2024), 2024 |
| County view (Jasper) | Environmental Health discourages additives and advises pumping about every 3 to 5 years | North Central Health District — Jasper County Environmental Health |
Plain definitions
Kinds of septic additives
- Biological additive
- A product sold to add bacteria or enzymes to a septic tank, usually marketed as a digestion booster.↗
- Chemical additive
- A product using acids, bases or solvents to dissolve solids or clear pipes, several of which Georgia rules prohibit in septic systems.↗
- Suspended solids
- Particles that stay mixed in the tank's liquid instead of settling or floating, and can travel out with effluent.↗
The whole story
Why additives can make things worse
A septic tank works by being still. Wastewater slows down, heavy material drops to the bottom, grease rises to the top, and the clearer middle layer flows on to the drain field. Bacteria that arrive with every flush handle the partial digestion. The Georgia DPH advisory makes the point directly: a system receives all the bacteria it needs from normal household use.
Problems start when a product disturbs that separation. DPH warns that some biological additives break solids into small particles that don't settle out. Those particles leave with the effluent and lodge in the soil around the trenches, which is exactly how drain fields clog. In the Piedmont clay common around Covington and Conyers, a partly sealed field has less margin to recover.
Chemical products carry a different risk. According to the advisory, acids in some formulas can eat at concrete tanks and distribution boxes. Georgia's own rules go further and prohibit strong bases, acids and organic solvents in the operation of an on-site system. A caustic drain opener poured to fix a slow sink falls into that category.
Then there is the question homeowners really want answered: can a monthly packet stretch the time between pump-outs? DPH's answer is an emphatic no. Undigested sludge still accumulates, and the state manual estimates bacteria reduce its volume by only about 40 percent, with or without help from a bottle.
Your options
Additive versus what actually helps
Where the same maintenance money does more for a Georgia septic system.
OPTION 02
Scheduled pumping
When it fits: Every 3 to 7 years per UGA; 3 to 5 per the DPH Manual and Gwinnett.
- Removes the sludge bacteria can't digest
- Lets the tees and filter be checked
- A periodic service cost
OPTION 03
Careful use of drains
When it fits: Daily. UGA's list of items to keep out of the tank covers most avoidable problems.
- Keeps the scum layer thin
- Protects the effluent filter and field
- Takes household habits, not products
How the job runs
What to do instead of adding products
Six habits drawn from UGA Extension, Gwinnett County and EPA guidance.
- 1
Put the tank on a pumping calendar
Mark the last pump-out date and plan the next one inside the 3-to-7-year window UGA gives, shorter for large households.
UGA Extension Bulletin B1421, septic system care (rev. Oct 18, 2024)
- 2
Keep grease and food scraps out
UGA warns against pouring cooking oil and grease, coffee grounds, eggshells, bones and vegetable scraps down the drain.
UGA Extension Bulletin B1421, septic system care (rev. Oct 18, 2024)
- 3
Flush only toilet paper
Paper towels, hygiene products, kitty litter and cigarette butts don't break down in a tank and fill it faster.
UGA Extension Bulletin B1421, septic system care (rev. Oct 18, 2024)
- 4
Skip harsh chemicals
Paint, solvents and heavy household chemicals don't belong in the system, and Georgia rules ban strong acids, bases and organic solvents.
Rule 511-3-1-.17(3)Georgia DPH Rules Chapter 511-3-1, On-Site Sewage Management Systems (Jan 2016)
- 5
Spread out water use
Gwinnett's water department advises conserving water so the tank isn't overloaded. Staggering laundry across the week helps most.
- 6
Send rainwater elsewhere
EPA advises keeping roof drains, sump pumps and other runoff away from the drain field so it can do its job.
FAQ
Septic additive questions
Straight answers, with the rule or record behind them. Still unsure? Call and ask the crew that digs.
(678) 863-5620Does Georgia DPH recommend any septic additive?
No. The Georgia Department of Public Health's advisory on additives concludes they are not beneficial and can be detrimental to on-site sewage systems. Its guidance is that a properly used system gets the bacteria it needs from household wastewater, and that regular inspection and pumping are what keep it working.
Are bacteria or enzyme treatments like monthly packets safe for my septic tank?
Georgia DPH doesn't consider them helpful, and warns that some biological additives break solids into fine particles that stay suspended. Those particles can leave the tank with the effluent and clog the drain field soil. Using them isn't illegal, but you're paying for a product the state says the system doesn't need.
Can I pour drain cleaner into a house on septic?
Avoid it. Georgia rule 511-3-1-.17(3) prohibits strong bases, acids and organic solvents in septic system operation, which covers many caustic drain openers. DPH's advisory also notes that acids can corrode concrete tanks and distribution boxes. For a stubborn clog, have the line cleared mechanically instead of chemically.
Source: Georgia DPH Rules Chapter 511-3-1, On-Site Sewage Management Systems (Jan 2016)
Will an additive fix a slow drain or a septic smell?
Unlikely. Slow drains throughout the house and odors near the tank usually mean the tank is full, the outlet or effluent filter is blocked, or the field is struggling. Those need a pump-out, a filter cleaning or a septic repair. An additive can hide the symptom briefly while the underlying problem grows.
Source: UGA Extension Bulletin B1421, septic system care (rev. Oct 18, 2024)
Do I need to add bacteria after pumping my tank?
No. Georgia DPH's position is that wastewater supplies the bacteria a septic system needs. Once you resume normal use after a pump-out, the tank re-establishes its biological activity on its own. Buying a starter product adds cost without changing how the tank performs, according to the state's advisory.
What should I spend septic maintenance money on instead?
Pumping on schedule comes first, every 3 to 7 years per UGA Extension. After that, risers that make the lids easy to reach, cleaning of the effluent filter at each visit, and occasional inspections do more good than any product. Our septic pumping cost guide shows typical published ranges.
Source: UGA Extension Bulletin B1421, septic system care (rev. Oct 18, 2024)
Does any Georgia county take a position on septic additives?
Yes. Jasper County Environmental Health, part of the North Central Health District, discourages additives and advises pumping about every 3 to 5 years for a typical family of two to four on a 1,000-gallon tank. That matches the statewide advisory from Georgia DPH.
Source: North Central Health District — Jasper County Environmental Health
Keep going
Related services, guides and areas
Sources
Where these facts come from
Rules, costs and local facts on this page link to the agency, code or publisher that states them. Cost figures are third-party market ranges, not our prices — estimates are free.
Reviewed by Atlanta Water & Sewage Solutions · Last updated
- 1Georgia DPH — Don't Flush Your Money Down the Drain: Additives and Your On-site Sewage Management System
- 2Georgia DPH Rules Chapter 511-3-1, On-Site Sewage Management Systems (Jan 2016) (2016)
- 3Georgia DPH Manual for On-Site Sewage Management Systems (2026) (2026)
- 4UGA Extension Bulletin B1421, septic system care (rev. Oct 18, 2024) (2024)
- 5Gwinnett County DWR — Septic Tanks (2026)
- 6North Central Health District — Jasper County Environmental Health
- 7US EPA — How to Care for Your Septic System
Ready when you are
Rather have a pro look at it? Call the crew that digs.
Georgia's public health department has studied the question and published a clear answer. Here's what it says, why products can backfire, and where your maintenance dollars do more good.
(678) 863-5620- Georgia DPH-certified installer & pumper
- Residential & commercial
- Oxford, GA
Free estimate
or call (678) 863-5620