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Break Down Sludge, Solids & Odors — at the Source.
Bio-Pure uses task-oriented microbes, fed by Deproteinized Whey (DPW), to digest the waste in septic tanks, household drains and RV holding tanks — so odor is eliminated where it starts instead of being covered up. Two formulas: one for the home septic system, one built for the RV black tank.
- Breaks down sludge, solids and organic waste
- Eliminates odors at the source
- Septic tanks, household drains and RV holding tanks
- Safe for all pipes
Liquid or powder. Made in the USA.
Home septic or RV?
Septic & Drain is for household septic systems and drains (and works in RVs, too). RV Black Tank & Drain is made for RV black and grey tanks and boats. Have a hot tub? See the Pool & Spa cleaner.
The Problem
When a septic system falls behind, you notice.
Grease, soap residue and waste build up as a sticky biofilm in the pipes and as sludge in the tank. When the biology can't keep up, the signs show up in the house, in the yard and on the road.
- Odors from drains, the tank, or the yard
- Slow or gurgling drains
- Sludge, solids and grease building up
- RV holding tanks that smell on the road
Watch
Don't flush it — pour it down the drain.
Why treating the system from the drain all the way to the tank beats flushing your septic treatment.
The DPW Difference
Most septic treatments add bacteria. Bio-Pure feeds them.
Both Septic & Drain and RV Black Tank include Deproteinized Whey (DPW), a built-in nutrient source for their beneficial bacteria. Instead of relying on dormant microbes to wake up on their own, Bio-Pure gives them what they need to get to work.
Faster bacteria activation
DPW feeds the microbes from the moment they hit the tank, so they start digesting waste sooner.
More enzyme production
Well-fed bacteria produce more of the enzymes that break down sludge, solids and grease.
Better biofilm breakdown
It helps clear the biofilm that lines pipes and tank walls, where odor-causing buildup starts.
Choose Your Formula
At home, or on the road?
Two different formulas, each in liquid and powder. Pick the one that matches your system.
Septic & Drain + RV
For household septic systems, drains and the ranch
- Microbes, bio-enzymes and DPW
- One treatment a month for a household septic system
- Liquid: 8 oz or 32 oz (a 15-month supply), citrus-ginger scent
- Powder: 4 oz (a 15-month supply), 14 oz or 48 oz
- Works in RV holding tanks, too
From $14.95
Explore Septic & Drain →
RV Black Tank & Drain
For RV black and grey tanks, sensors and boats
- Proprietary, task-oriented microbes and DPW
- Breaks down waste, bottom solids and scum
- Liquid: Concentrate or Super Concentrate, 32 oz with a measuring chamber
- Powder: 4 oz, 14 oz or 48 oz
- For RVs and boat/marine septic and drains
From $16.95
Explore RV Black Tank →
Where To Use It
One biology, many jobs
Septic tanks
Routine monthly maintenance to keep the biology working — or a septic shock dose to restore a system that's backing up or smells.
Household drains
Kitchen, bath and floor drains. Digests the buildup that causes slow drains and odor.
RVs & boats
Black tanks, grey tanks and sensors — breaks down waste and odor on the road and on the water.
Pool & Spa
Clean the whole spa — not just the filter.
Bio-Pure Pool & Spa Filter & Pipe Cleaner is a super-concentrated, 3-in-1 cleaner. It circulates through the plumbing and jets, washes the shell, and deep cleans cartridge filters — breaking down the lotions, oils and organics that build up in all three.
- Spa plumbing and jet lines
- The shell and waterline
- Spa and pool cartridge filters
- 8 oz or 32 oz — about a year for a 400-gallon spa
From $14.95
Explore the Spa Cleaner →
Stop chasing odors. Keep the biology working.
See every size, the treatment counts and the dosing on each formula's page.
Ready to buy? All three are below.
