In the age of YouTube tutorials and home improvement blogs, more homeowners are rolling up their sleeves and tackling repair projects themselves. While a DIY mindset can be empowering and cost-effective in some areas of home maintenance, your septic system is not one of them.
At PF Plumbing we’ve seen firsthand the costly and sometimes dangerous consequences of well-intentioned but misinformed DIY efforts on septic tanks. If you’re considering taking matters into your own hands, take a moment to explore some of the most common DIY septic myths—and why it’s best to leave this job to the pros.
Myth #1: Pouring Additives Into the Tank Will Fix Everything
One of the most persistent myths is that dumping store-bought additives or enzymes into your septic tank will restore its function or prevent backups. While these products are marketed as a fix-all solution, the truth is more complicated.
Most septic systems don’t need additives if they are maintained properly. In fact, some additives can disrupt the natural bacterial balance in your tank, doing more harm than good. Septic systems rely on bacteria to break down waste, and overuse of additives—especially harsh chemicals—can kill off those essential microbes.
Bottom line: Additives are not a substitute for pumping, inspection, or professional repair. When in doubt, consult a licensed plumber.
Myth #2: I Can Pump My Septic Tank Myself
It might be tempting to rent equipment and try pumping your septic tank on your own, especially if you’re trying to save a few bucks. But not only is this extremely hazardous—it may also be illegal depending on your location.
Pumping a septic tank involves handling raw sewage, which contains dangerous pathogens and gases. Professionals use specialized equipment and protective gear to do the job safely. Improper disposal of waste is also a serious environmental and public health concern, and in many places, dumping septic waste yourself could result in hefty fines.
Bottom line: Pumping should always be done by a licensed septic professional who can safely dispose of waste according to local regulations.
Myth #3: I Can Locate and Dig Up the Tank Without Help
Septic tanks are usually buried several feet underground, and without a proper map or locating equipment, finding yours can feel like searching for buried treasure—with a shovel and a lot of guesswork.
We’ve seen homeowners dig up landscaping, driveways, or even utility lines trying to find their tank. This not only risks damaging your property but could put your safety at risk if you hit electrical or gas lines.
Bottom line: Call a pro who has the tools to locate and access the tank safely without tearing up your yard.
Myth #4: Backups Mean I Just Need to Snake the Drain
When wastewater backs up into your home, it’s easy to assume it’s just a clogged drain or pipe. You might even try snaking it yourself. But recurring backups often point to a more serious issue—like a full or failing septic tank.
Snaking the drain might provide temporary relief, but it doesn’t solve the root of the problem. If your septic system is at fault, delaying professional repair could cause waste to overflow into your yard or home.
Bottom line: If you have recurring slow drains or backups, call a septic expert to inspect the entire system—not just the pipes inside.
Myth #5: Septic Tanks Don’t Need Maintenance If They’re Working Fine
If it’s not broken, don’t fix it—right? Not when it comes to septic systems.
Septic tanks can be deceptive. Just because waste seems to be draining properly doesn’t mean your system is healthy. Sludge builds up slowly over time, and once it reaches a critical level, you could be looking at system failure, foul odors, soggy drain fields, or even contamination of local water sources.
Regular pumping (typically every 3–5 years) and inspections are essential to keep things running smoothly and avoid emergency repairs down the line.
Bottom line: Maintenance is always cheaper than repairs. Stay ahead of problems with routine service.
Myth #6: I Can Repair Cracks or Leaks in the Tank With Cement or Sealant
Homeowners sometimes spot cracks in the septic tank lid or walls and assume a little patchwork will do the trick. Unfortunately, patching leaks with cement, sealant, or DIY epoxy is rarely a long-term solution.
Leaks can allow untreated wastewater to escape into the soil or groundwater, creating environmental hazards. A patched crack may not hold up under the pressure of the system, and hidden structural damage can lead to complete tank failure.
Bottom line: Any visible cracks or signs of leakage should be evaluated by a professional immediately.
Why DIY and Septic Just Don’t Mix
Unlike a clogged sink or a leaky faucet, your septic system is a complex underground structure that plays a critical role in protecting your home and the environment. Attempting DIY repairs can result in:
- Health hazards from exposure to harmful bacteria and gases
- Environmental violations from improper waste handling
- Costly mistakes that damage your system or property
- Void warranties or insurance issues due to unlicensed work
Hiring a licensed septic technician may cost more upfront, but it ensures the job is done right, safely, and in accordance with local regulations.
Trust the Experts
At PF Plumbing we provide professional septic tank inspection, repair, and installation services to North Carolina backed by years of hands-on experience. Whether you’re dealing with backups, slow drains, or signs of system failure, we’re here to help—no guesswork required.
We also offer regular maintenance plans to help you avoid emergencies and extend the life of your septic system.
Need Septic Help? Let’s Talk.
If you’re noticing signs of septic trouble or thinking about getting your system checked, don’t wait. Contact PF Plumbing today at (336) 200-8928 to schedule a professional inspection or service call. We’ll get the job done right—the first time.