Ecozone Enzyme Drain Unblocker
Best for: Best for regular maintenance of slow, grease-and-soap drains — not a fix for a fully solid blockage.
Check price on Amazon →How we pick: we feature gadgets we’ve actually used or tested, score them honestly, and only recommend the ones that earn it. We may earn from qualifying Amazon purchases.
TidyHacks verdict
Watch it in action
Our review
This isn't a caustic, foaming drain cleaner — it's an enzyme-based one, and that distinction matters. Ecozone's unblocker uses live bacterial spores and enzymes (lipase, amylase, subtilisin) that slowly digest the fat, food, soap, grease and organic gunk coating your pipes. You pour about 250ml down the plughole, leave it 20-30 minutes (or overnight for a stubborn one), then flush with a kettle of hot water.
The appeal is that it's non-toxic, bleach-free, non-corrosive and septic-tank safe, so it's gentle on old or PVC pipes and fine in a house with pets and kids. The trade-off is honesty time: at 4.0 stars it's clearly a maintenance and slow-drain tool, not a miracle for a fully solid blockage. Several reviewers found it did little on a hard clog, and it won't shift a drain packed with hair the way a mechanical snake will. Used regularly on a sluggish, grease-and-soap drain, though, it keeps things flowing without harsh chemicals.
More photos & videos
👍 Pros
- Enzymes digest grease, soap and food without harsh chemicals
- Non-toxic, bleach-free and septic-tank safe
- Gentle on old and PVC pipes
- Good for regular maintenance of a slow drain
- Vegan, cruelty-free and safe around pets and kids
👎 Cons
- Slow — needs 20-30 minutes or an overnight soak
- Won't clear a fully solid blockage or a hair-packed drain
- Mixed results reported on tougher clogs (4.0-star average)
- Has a wait while it works, with a faint scent
Specifications
| Type | Enzyme / bacterial drain unblocker |
|---|---|
| Active | Lipase, amylase, subtilisin + Bacillus spores |
| Best on | Fat, food, soap, grease, organic residue |
| Pipes | Safe for metal & PVC, septic-tank safe |
| Volume | 1L bottle (~250ml per use) |
| Use | Pour in, leave 20-30 min or overnight, flush with hot water |
FAQ
Does it foam?
No — it's an enzyme treatment, not a caustic foaming cleaner. It works quietly by digesting the gunk over 20-30 minutes.
Will it clear a fully blocked drain?
It's best for slow and partial clogs and regular maintenance. A solid blockage may need a plunger or snake first.
Is it safe for septic tanks and old pipes?
Yes — it's non-corrosive, bleach-free and septic-safe, so it won't damage older or PVC plumbing.
How long do I leave it?
20-30 minutes for a slow drain, or overnight for a stubborn one, then flush with a kettle of hot water.
More Cleaning Gadgets reviews
Get the best Amazon finds each week
One short email. New reviews, viral finds and the odd deal. No spam.