$15.88USD / unit
Keep your toilet sparkling clean — with less effort and less scrubbing.
GFOUR transforms your cleaning routine with active foam that helps loosen stains, limescale and grime, leaving your toilet fresh and clean — without the usual hard work.
Product detailsBring active foaming action to your toilet-cleaning routine. GFOUR is a powder cleaner designed to help loosen limescale, stains and residue in the bowl, while helping reduce unpleasant odours.
Each unit is one 100 g pouch of GFOUR cleaning powder. Choose a pack of 2, 4, 6 or 10 pouches. Product instructions are included.
Do not mix with other cleaning products. Read the label before use.
What's in the pack? Each unit is one 100 g pouch of GFOUR cleaning powder. Choose 2, 4, 6 or 10 pouches.
How to use1. Pour. Add the amount indicated on the product label directly into the toilet bowl.
2. Wait. Allow approximately 20 minutes for the foam to work.
3. Flush. Flush away the foam. A light brush can help with stubborn build-up.
Always follow the label and do not mix with other cleaning products.
Shipping & returnsFree shipping to the United States, Canada, United Kingdom, Australia and European Union member countries.
Read our return and refund policy
Need help with an order? Contact GFOUR.
Active foam. A simpler cleaning routine.
Limescale and stubborn residue can make a toilet look dirty even after a quick clean. GFOUR creates an active foam that helps loosen build-up throughout the bowl, including areas that are difficult to reach with a brush.
Pour in the recommended amount, let the foam work, then flush. By helping lift the residue behind everyday odours, GFOUR makes it easier to keep your toilet looking clean and your bathroom feeling fresh.
A straightforward routine is easier to repeat. Let GFOUR work for around 20 minutes while you get on with your day. Flush the bowl afterwards; a light brush can help with particularly stubborn stains.
GFOUR creates an expanding foam that works around your toilet bowl, helping loosen stubborn stains, limescale and built-up residue. Leave it to work for around 20 minutes, then flush.
Freshness starts with a clean bowl. GFOUR helps loosen the residue and deposits where unpleasant odours develop, leaving your toilet feeling fresher after each clean.
The expanding foam spreads through the bowl and into awkward areas, including beneath the rim. It helps lift the hidden deposits that can be missed during a quick clean. Always follow the directions on the pack.
From limescale to stubborn residue, GFOUR helps take the effort out of your toilet-cleaning routine. Pour, wait and flush. For particularly stubborn stains, finish with a light brush.
Active foam and a simple routine, from the first scoop to the final flush.
20MINUTESLeave the active foam to work for around 20 minutes as it helps loosen stains, limescale and everyday build-up.
100 gPER POUCHEach unit is a 100 g pouch of GFOUR cleaning powder. Use the amount recommended on the packaging.
4PACK SIZESChoose 2, 4, 6 or 10 pouches. Larger packs lower the price per unit, so you can choose the pack that suits your routine.
Activates on contact with water to create a foam that helps loosen stubborn dirt, deposits and residue.
Helps dissolve the limescale that can make your toilet look dull and dirty, for a cleaner-looking bowl.
Lets the active foam do much of the work, helping make your regular cleaning routine quicker and easier.
Helps remove the residue behind unpleasant odours, keeping your toilet feeling fresher after cleaning.
The expanding foam spreads around the bowl, reaching beneath the rim and into areas a brush may miss.
Pour, let the foam work, then flush. Follow the pack instructions, and never mix with other cleaning products.
Pour one tablespoon of GFOUR powder into the toilet bowl, following the directions on your pack.
Let the foam expand and work on stains, dirt and deposits for around 20 minutes.
Simply flush away the foam. A light brush can help remove particularly stubborn residue.
Enjoy a fresher, cleaner-looking toilet and a simpler bathroom-cleaning routine.
GFOUR combines active foaming action with an easy pour, wait and flush routine. See how that differs from cleaning with a brush alone.
| Feature | GFOUR | Brushing alone |
|---|---|---|
| Active foaming action | Expands on contact with water | Relies on manual contact |
| Helps loosen limescale | Powder works on deposits | Relies on physical scrubbing |
| Hard-to-reach areas | Foam spreads around the bowl | Limited to the brush's reach |
| Time while cleaning | Leave it to work for 20 minutes | Requires hands-on brushing |
| Odour-causing residue | Helps loosen residue and build-up | Depends on areas reached |
| Everyday routine | Pour, wait, then flush | Brush the bowl by hand |
| Stubborn stains | Foam first; light brushing if needed | May need repeated brushing |
| Pack options | 2, 4, 6 or 10 × 100 g pouches | No cleaning powder included |
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GFOUR is an active foaming toilet cleaner. On contact with water, it creates a foam that spreads through the bowl and helps loosen dirt, limescale and residue, including in awkward areas that are difficult to reach with a brush.
The powder starts foaming when it meets water. Leave it to work for around 15–20 minutes before flushing, following the directions on your pack. Results and the time needed can vary with the amount of build-up.
GFOUR is designed to help loosen limescale and deposits that build up inside the toilet bowl. Regular cleaning can help maintain a cleaner-looking bowl. Particularly heavy deposits may need further cleaning.
The foam helps reduce the amount of scrubbing by loosening dirt and residue. For especially stubborn stains, a light brush can help you get the best result before flushing.
Check the directions and compatibility information on the product packaging before use. If your toilet or septic system has specific care requirements, follow the manufacturer's guidance. Do not mix GFOUR with other cleaning products.
GFOUR helps loosen the residue and deposits where odours can develop. Removing that build-up helps keep your toilet feeling fresher after cleaning.
The expanding foam spreads around the bowl and into areas that can be missed during a quick brush clean, including beneath the rim. Always use the product according to its packaging directions.
For routine care, use it as directed on the pack and adjust your cleaning routine to the amount of build-up. The reference routine is once or twice a week. More stubborn deposits may require further cleaning.
Each unit is a 100 g pouch of GFOUR cleaning powder. Choose 2, 4, 6 or 10 units. The large price on each pack option is the price per unit in US dollars; the full pack total is shown alongside it and in your cart.
Shipping is free to the United States, Canada, the United Kingdom, Australia and European Union member countries.
Please see our return and refund policy for the current terms and instructions. You can also read our shipping policy.
