FAQ - CLR

Frequently asked questions

Use or dispose of CLR within three years of production. Store it with the cap securely fastened in a cool place.
- CLR Calcium Limescale & Rust Remover
CLR’s main components include water, lactic acid and gluconic acid, which work together to dissolve calcium, lime and rust deposits.
- CLR Calcium Limescale & Rust Remover
We recommend not leaving CLR on a surface for longer than two minutes and always rinse thoroughly after use.
- CLR Calcium Limescale & Rust Remover
Yes, CLR is septic safe.
- CLR Calcium Limescale & Rust Remover
CLR cleans what many household products can’t — dissolving and removing tough stains from the build-up of calcium, limescale and surface rust. It’s suitable for things like showerheads, dishwashers (non-drawered), washing machines, shower screens (non-synthetic coated), kettle mineral build-up, chrome & stainless steel taps, toilet bowls, sinks, cloudy glass, fibreglass and tools.
- CLR Calcium Limescale & Rust Remover
Yes — CLR’s effectiveness can diminish over time. How it’s stored (e.g., heat or direct sunlight) can accelerate this. CLR typically becomes less effective after 3 years from the production date.
- CLR Ready to Use Spray
No — CLR can remove seal finishes and compromise the surface of natural and synthetic marble. If spilled, consult a marble professional for further instructions.
- CLR Ready to Use Spray
No — CLR is not recommended on pool tiles as it can remove the finish and pose a hazard if it contacts chlorine.
- CLR Ready to Use Spray
No. CLR should not be used on or in any materials associated with a swimming pool. CLR should never come into contact with chlorine as it can create dangerous toxic fumes. Consult a pool maintenance expert for safe alternatives.
- CLR Ready to Use Spray
Yes. By the time CLR reaches the septic system it is neutralised with water and is septic safe.
- CLR Ready to Use Spray
Only if the shower enclosure does not have a synthetic coating. Always test a small, inconspicuous area first before cleaning the entire surface.
- CLR Bathroom & Kitchen Spray
Yes — the effectiveness of CLR can diminish over time. How it is stored (e.g., heat or direct sunlight) can accelerate this. CLR typically becomes less effective after 3 years from the production date.
- CLR Bathroom & Kitchen Spray
No. The two products have different ingredients and should never be mixed with each other or other cleaners.
- CLR Bathroom & Kitchen Spray
No. CLR Bathroom & Kitchen should not be used in washing machines or dishwashers — the detergents may foam excessively. Use CLR Calcium, Limescale & Rust Remover (in the grey bottle) for those applications.
- CLR Bathroom & Kitchen Spray
No. The active ingredients in CLR Bathroom & Kitchen Action Cleaner will react with marble and can damage the surface.
- CLR Bathroom & Kitchen Spray
No. It is only safe to use on white grout. Using it on coloured grout may lighten the grout colour or cause discolouration over time.
- CLR Bathroom & Kitchen Spray
The suitability of use on faucets and taps depends on the material type. Check the product suitability section for more information.
- CLR Bathroom & Kitchen Spray
If CLR Grease & Oil Remover is left on a surface for too long, it begins to dry and can be very difficult to remove.
- CLR Grease And Oil Remover
The effectiveness of CLR can diminish over time. How CLR is stored — such as exposure to heat or direct sunlight — can accelerate this process. CLR will become less effective from 3 years after the production date.
- CLR Grease And Oil Remover
CLR Grease & Oil Remover should only be left on a surface for 1–5 minutes before being rinsed off thoroughly with cool water. If the stain persists, repeat the process instead of leaving the solution on the surface for longer.
- CLR Grease And Oil Remover