Smelly washrooms, drains & stains — solved naturally.
Real, tested biological solutions for 40 common problems. Find yours, follow the treatment, and get the products that fix the cause — not just the smell.
Step 1 — where is the problem?
If the smell keeps coming back, you're treating the symptom.
Perfumes, bleach and para blocks hide odours for a while. Biological cleaning removes the organic waste that causes them — here's what conventional cleaning leaves behind.
The smell isn't coming from the urinal.
Most washroom odours come from walls, floors and grout contaminated with uric salts that ordinary products never reach — so the smell comes straight back after cleaning.
See the fix · Biological Washroom Cleaner 02Your pipes are quietly closing up.
Uric salt and scale build up inside urinal waste pipes until they block and flood — often unnoticed until the contractor's bill arrives. Biological blocks keep pipework clear.
See the fix · Bio-Blocks 03Para blocks only mask the problem.
pDCB “para” blocks provide no cleaning at all, carry a carcinogen warning and lodge in traps as they shrink — causing the very blockages they are meant to hide.
See the fix · Bio-Blocks 04“Waterless” doesn't mean maintenance-free.
Without biological treatment, solids in urine settle out and stick to the pipes of waterless systems; a flush of cleaning cocktail only cleans the trap.
See the fix · Bio Clear 10X 05You may be flushing water away.
Around 100,000 litres of water can easily be saved by flushing urinals just 4–6 times every 24 hours when biological blocks keep them clean.
See the fix · Bio-Blocks 06Harsh chemicals kill the bacteria that help you.
Bleach, caustic and acid products destroy the good bacteria that digest grease and waste in drains, grease traps and septic systems — making odours and blockages worse over time.
See the fix · Bio DoseWhich one are you?
Pick your profile to see the problems people like you usually have, and the guides and products that fix them.
Facility & property managers
Offices, shopping centres, councils and stadiums
You're probably dealing with
- Odour complaints that return after every clean
- Plumber call-outs for blocked urinal pipes
- Water and chemical costs you can't explain
Start with these guides
Products that fix the cause
Get a plan for my siteStart with the problem you can see — or smell.
Pet Urine, Vomit, Cleaning & Treatment
Smelly Washrooms, Drains & Stains
Treating Grease Traps & Septic Systems
Most searched treatment guides
Each guide identifies the problem, gives the treatment step by step, and names the products used.
Urinal Smells
It's a common belief that odours in washrooms come from the urinal or the WC bowl. Most odours however, come from surfaces such as walls and floors contaminated with uric salts and not cleaned with the right products.
Uses: Bio Blocks · Bio Cleaner · Drain Solution · Bio Clear 10X
Read the treatment Washrooms & drainsSmelly Drains
Common in kitchens, washrooms and showers, smelly drains are also a frequent problem in downstairs showers which rarely get used….and what about that kitchen in-line disposal unit?
Uses: Drain Solution · Micro Clean
Read the treatment Grease traps & septicGrease Trap Smells
The old and the new - both still need to have bacteria added to the system.
Uses: Bio Blocks · Bio Cleaner · Bio Clear 10X · Drain Solution · Micro Clean
Read the treatment Grease traps & septicSeptic System Smells
The old and the new - both still need to have bacteria added to the system.
Uses: Bio Blocks · Bio Cleaner · Bio Clear 10X · Drain Solution · Micro Clean
Read the treatment Pets, vomit & spillsPet Urine in Carpet
The carpet cleaning industry states that this is one of their biggest headaches. Extraction does not remove the deep-seated urine contamination. High pressure extraction ('Steam cleaning') risks shrinking carpet, so what's the solution?
Uses: Micro Clean · Sanitaire Clean Up Powder · Sta-Kill · Sanitaire Emergency Clean Up Kit
Read the treatment Pets, vomit & spillsCleaning Vomit
The carpet cleaning industry states that this is one of their biggest headaches. Extraction does not remove the deep-seated urine contamination. High pressure extraction ('Steam cleaning') risks shrinking carpet, so what's the solution?
Uses: Micro Clean · Sanitaire Clean Up Powder · Sta-Kill · Sanitaire Emergency Clean Up Kit
Read the treatmentProducts for the protocol
Biological products from Bio-Productions UK, matched to practical washroom, drain, septic and spill treatments.
Bio Blocks
Biological urinal blocks
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Bio Cleaner
Biological washroom cleaner and odour neutraliser
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Bio Clear 10X
Biological grease-trap & septic treatment
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Bio Dose
Biological grease-trap and drain maintainer
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Citra Clean
Powerful all-purpose cleaner and degreaser
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Drain Solution
Easy-to-use biological drain solution
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Micro Clean
Biological stain and odour digester
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Royal Flush Biological Toilet Sachets
Soluble sachets for portable toilet tanks
View productTrusted by stadiums, councils, schools and cleaners.
There Was an Instant Change
From the initial installation of Sanitaire products there was an instant change to the units in how they operated and smelt. The Biological Cleaner has made a huge difference to three of our troublesome toilet blocks that are constantly busy, one of these is situated in an area surrounded by Restaurants with spicy menus. Prior to Sanitaire you could hardly breathe in these blocks
Venue Has Reduced Water and Enhanced the Amenity
With a few of the products trialled, there were overpowering smells at the end of an event period that were hard to remove and never seemed to be clean, even after the cleaning process was achieved. By the end of 2009 we had settled with the Sanitaire Waterless Urinal System including the Biological Washroom Cleaner and Odour Neutraliser (Bio Cleaner) and Biological Urinal Blocks (Bio Blocks). Even after the drought had broken, Suncorp Stadium has remained using the Sanitaire products. I would recommend the Sanitaire Waterless Urinal System to any Venue that wants to reduce the amount of water used as well as enhance the amenity for male patrons
Within 48 hours of the introduction of Bio-Cleaner the Problem was Rectified
My customer commented after using Sanitaire's biological solution... "The toilets at our centre have never been as clean and fresh smelling. Bio Cleaner combined with a strong cleaning regime has resolved all of our problems". "We have had a problem urinal in our admin building for many years. We have tried every possible traditional solution - strong corrosive chemicals and the like - without success. Within 48 hours of the introduction of Bio Cleaner the problem was rectified and the urinal has remained clean and odourless".
Tell us what you're dealing with.
Send our solution consultants the details and they'll point you to the right biological cleaning approach — usually the same day.