What Is the Best Toilet Paper for Septic Systems

There’s no denying that we expect a lot from toilet paper. We want it to be comfortable, strong, and soft when we’re using it but expect it to break down in a jiffy after flushing to prevent a clogged toilet. Toilet paper that doesn’t perform each to our expectations isn’t desirable.

best toilet paper for septic systems

Contrary to common belief, toilet paper isn’t created equal. Therefore, if you have a septic system, you must be cautious about the toilet paper you use. After all, even some brands that are marked as ‘septic-safe toilet paper’ may not be safe for a septic system.

With that being said, if you’re wondering, ‘what is the best toilet paper for septic systems?’ then you’ve come to the right place.

In this guide, we’ll walk you through everything you need to know to select a septic-safe toilet paper brand.

The best toilet paper for septic systems is Charmin, Kirkland, Costco, and Seventh-Generation. It’s soft, strong, and breaks down up to four times faster than other brands, allowing the optimal function of your septic system and reducing the likelihood of plumbing problems.

Read on to learn even more about the best toilet paper for your septic system!

What Brand of Toilet Paper Is Best for Septic Systems?

Seventh Generation White Toilet Paper 2-Ply 100% Recycled Paper

Seventh Generation

For nearly a century, Charmin has been the go-to bath tissue, trusted by millions of Americans. Comprehensive studies show that when Charmin is used as intended in a well-functioning plumbing system, the chances of plumbing issues arising from it are slim to none. It’s, therefore, no surprise that Charmin toilet paper is the more popular option compared to other brands.

It stays true to its word; absorbent, soft, strong, and breaks down up to four times faster than other brands of septic-safe toilet paper, allowing a septic system to function as it should. Charmin is particularly designed for an RV toilet and passes the test for strength and comfort.

Other reputable brands of septic-safe toilet paper are:

Seventh Generation

It’s 100% recycled toilet paper that lacks chlorine bleach, fragrances, or dyes. As RV-safe toilet paper, it works well with a septic system, low-flow toilets, and RVs.

Caboo Tree-Free Bamboo Toilet Paper

Made of sugar cane and bamboo, rather than trees like standard toilet paper, Caboo is free is harsh chemicals such as dye, paraben, and chlorine bleach. Nonetheless, the two-ply toilet paper gets the job done and dissolves in a jiffy. It’s an excellent alternative to traditional toilet paper and is perfect for sensitive skin.

Do I Need Special Toilet Paper for Septic Systems?

Charmin Ultra Soft Cushiony Touch Toilet Paper


Let’s discuss a few aspects to consider when shopping for a septic-safe toilet paper brand such as Costco toilet paper and Kirkland toilet paper.

1. Biodegradable Toilet Paper

Inevitably, all toilet paper will eventually break down in the water. Therefore, most homeowners assume that all toilet paper is created equally. However, this couldn’t be further from the truth. Some types of toilet paper break down more easily than others. Biodegradable toilet paper will dissolve in the water quicker, making it the best option for your septic tank.

2. Recycled Toilet Paper

It’s conventional toilet paper that is made from recycled paper. It requires fewer chemicals compared to making original paper. Furthermore, recycled paper has shorter fibers, making them easier to disintegrate in water. If you were to juxtapose the two alternatives, recycled paper is safer for your septic system compared to non-recycled tissue paper.

3. Septic-Safe Toilet Paper

It’s designed with septic systems in mind. What differentiates this type of tissue paper from the rest is that it’s meant to disintegrate faster in water. However, you shouldn’t take a manufacturer’s word for it. Put the toilet paper to the test and see if it lives up to the name.

A Simple Test to Determine the Best Toilet Paper for Your Septic System

Trust but verify is the golden rule of living and comes in handy when selecting the best toilet paper for your septic tank. Given the wealth of options that have littered the market, we’ll walk you through a simple test that you can conduct to scientifically determine the best of the best.

  • Select four toilet paper brands claiming to be septic safe
  • Cut five squares from each brand and insert them in four mason jars
  • Fill the jars with water and shake each jar well before setting it down. Vigorous shaking is an essential part of the process as it mimics the effect of flushing a toilet
  • Observe each jar to determine the wet strength of the tissue paper, taking note of the brand that disintegrated easily and quickly. Doing so will help you narrow down the best brand

Is Charmin Safe for Septic Systems?

Yes! Charmin is thoroughly tested and regarded as septic safe. Therefore, it’ll settle in a septic tank and undergo biodegradation in it.

Are Flushable Wipes OK for Septic Tanks?

Yes! Charmin Freshmates are flushable wipes that are safe for septic systems and sewers. For optimum results, it’s recommended to flush up to 2 wipes at a time.

If Toilet Paper Doesn’t Break Down After It Hits the Water, Will It Clog Your Toilet or Drain Line?

No! Bath tissue that doesn’t break down immediately protects your hands and holds up during use. Charmin toilet paper is strong enough to protect your hands, after which it begins to break down once you flush it in the drain line.

Related: What dissolves toilet paper in a septic tank?

What Toilet Paper Is Not Septic Safe?

Granted, it’s essential to know the best septic-safe toilet paper. However, it’s equally as important to learn about the worst toilet paper for a septic system to steer clear of it and keep your septic system in tiptop condition. Here are a few things to look out for.

Four or Three Ply

The more layers that toilet paper has, the longer it takes to disintegrate, making it unsuitable for septic systems.


Adding fragrance to toilet paper is incorporating unwanted and harsh chemicals into your septic system. These chemicals can wreak havoc on the sensitive balance of the microorganisms in the system.


It entails the adhesion between the layers of toilet paper, making it take longer to dissolve in your septic system. An example is the Quilted Northern Ultra Plush Toilet Paper.

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