Hard Water Buildup Just Met Its Match.

Break down the buildup that clogs your drains, toilets, septic systems and drain fields, without harsh chemicals. Plant-based, and powered by 40+ years of water & soil research.

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Oxygen Release Technology™
Safe for Septic
USDA Certified Biobased
Made in Idaho
40+ Years of Biological Studies
30-Day Money-Back Guarantee

What are you fixing?

Septic system Septic System Cleaner One bottle treats the tank and pipes for 3 months with Oxygen Release Technology™.$34 One-time purchase✓ Subscribe & save 20% ($27.20)Shop the bottle →
Septic system Complete Septic System Set Tank, pipes, and drain field: the Septic System Cleaner plus our Drain Field Cleaner. Ships free.$72 One-time purchase✓ Subscribe & save 25% ($54)Shop the set →
Slow sink or shower Drain Cleaner Pour it in, let it sit 6 to 8 hours or overnight, then run warm water.$24 One-time purchase✓ Subscribe & save 20% ($19.20)Shop Drain Cleaner →
Toilet ring Toilet Ring Cleaner Pour 10 oz or more over the ring, soak overnight, then scrub.$24 One-time purchase✓ Subscribe & save 20% ($19.20)Shop Toilet Ring Cleaner →
Keep drains clear Drain Maintenance 4 to 6 oz in a sink, shower, or tub drain once a month.$24 One-time purchase✓ Subscribe & save 20% ($19.20)Shop Drain Maintenance →

What People Are Saying

"This is the best septic system treatment I've ever tried, and the only one to make a visible difference in drainage around lateral lines." "This is the best septic system treatment I've ever tried, and the only one to make a visible difference in... "This is the best septic system treatment I've ever tried, and the only one to make a visible difference in drainage around lateral lines."

Neko, Verified Customer

"After 1 yr of using this monthly my drainfield now has a beautiful lawn above it." "After 1 yr of using this monthly my drainfield now has a beautiful lawn above it." "After 1 yr of using this monthly my drainfield now has a beautiful lawn above it."

Charlie, Verified Customer

"We have a slow draining leach field in the hard red clay of north Georgia. Two bottles of this in the tank has completely eliminated the toilet paper and solid waste that were ever present in the tank." "We have a slow draining leach field in the hard red clay of north Georgia. Two bottles of this in... "We have a slow draining leach field in the hard red clay of north Georgia. Two bottles of this in the tank has completely eliminated the toilet paper and solid waste that were ever present in the tank."

Eli, Verified Customer

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See It Work

Clean in Three Simple Steps

Exact amounts and timing are on each product page.

Pour it in
Pour it into the toilet, sink, shower, or tub drain, using the amount on the label.
Give it time
Drains and toilet rings soak overnight, then rinse or scrub. In a septic system, one pour keeps working for 3 months.
Stay ahead
Subscribe: Get up to 25% off.

The Difference From What's Under Your Sink

Hard Water Hero

Caustic drain cleaners

Dissolves mineral buildup (limescale, calcium, magnesium, struvite, etc.)

Yes

Rarely

Safe for pipes

Non-caustic

Caustic

Safe for septic systems

Yes

Often kills septic bacteria

Harsh fumes

None

Caustic

Plant-based

Yes

USDA Certified

Yes

Oxygen Release Technology

Yes

Non-toxic

Yes

Safe for homes

Yes

Works on drains, toilets, tanks, septic

Yes

Usually single-purpose

Money-back guarantee

Yes

Varies

Proven on the Farm. Made for Your Home.

Hard Water Hero began on the farms of Idaho with a breakthrough in agricultural wastewater treatment. Backed by more than four decades of research, we developed naturally safe and remarkably effective products that tackle household problems at their source. We test, trust, and guarantee everything we make. Formerly sold as Scycle.

If It Doesn't Deliver, We Make It Right

We think of ourselves as working for you. Every product is tested before it ships and covered by a 30-day money-back guarantee. If it doesn't do what we said, we'll make it right. No fine print, no runaround. To claim it, send us a note through our contact form.

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