By Sumit Manwal, Founder, Hospitality Vacancy
In hotel housekeeping, the colour-coded TASKI Room Care R-series is a familiar sight on maid carts. Using the right product, at the right dilution, on the right surface saves time and protects expensive finishes.
This note summarises the manufacturer's product information for TASKI R9 (sani acid descaler), so trainees know what it is for and how to use it safely. TASKI is a Diversey brand; always follow the current product label and Safety Data Sheet (SDS).
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TASKI Sani Acid - Heavy duty washroom descaler
Description
Heavy duty limescale remover for acid resistant hard surfaces.
Key properties
- TASKI Sani Acid is a concentrated Phosphoric acid based cleaner
- TASKI Sani Acid contains a corrosion inhibitor
- TASKI Sani Acid quickly removes calcium/limescale deposits as well as urine deposits and rust stains from acid resistant surfaces
Benefits
- Concentrated Phosphoric acid based cleaner to efficiently remove heavy
Residues
- Gentle to the surfaces to be descaled
- Effective on a wide variety of acid soluble deposits and stains
Use instructions/Dosage
Light to medium deposits: 100ml-500ml for 10l solution (1-5% /
1:100-1:20).
Heavy deposits: Increase concentration up to 20%
Application
Manual
1. Dose product into a bucket filled with water.
2. Apply the solution on the surface, allow the solution to act briefly and
scrub the surface.
3. Thoroughly rinse the surface with water and wipe dry. Spot treat
stubborn deposits with an appropriate pad.
Machine
- Dose the product into a full water tank of a single disc machine.
- Apply the solution, scrub the floor and allow sufficient contact time.
- Scrub a second time and directly wet vacuum the soiled solution.
- Rinse the floor thoroughly with clean water.
Important
Do not mix the solution with chlorinated products. Do not use on acid sensitive
surfaces, e.g marble, terrazzo, travertine and other calcareous surfaces. Test
acid resistance before use. When descaling, sufficiently pre wet grouts with
water. Immediately remove solution from acid sensitive surfaces and rinse
thoroughly. Thoroughly rinse chrome washroom fittings to prevent from
damaging.
Technical data
Appearance: Clear colourless liquid
Relative density (20°C): 1.21
PH value neat: 0.4 – 0.9
pH value in use: 1.9 +/- 0.5 at 1% dilution
The above data is typical of normal production and should not be taken as a specification.
Safe handling and storage information
Safe handling
Full guidance on the handling and disposal of this product is provided in a separate Material Safety Data Sheet.
For professional users/specialists only.
Storage Information
Store in original closed containers away from extremes of temperature.
Product compatibility
Do not mix the solution with chlorinated products. Do not use on acid sensitive surfaces, e.g. marble, terrazzo,
travertine and other calcareous surfaces.
FAQ
What is TASKI R9 used for?
TASKI R9 is a sani acid descaler from the TASKI Room Care range. Use it only on the surfaces the manufacturer recommends.
Why are TASKI R-series products colour-coded?
Colour and number codes help housekeeping staff pick the right product for each area and avoid mistakes, such as using a toilet cleaner on furniture.
What safety steps should housekeeping staff follow with chemicals?
Read the label and SDS, wear the recommended protective equipment, never mix chemicals, and store them in their original closed containers.
Your next step
- Students and hotel professionals: Create your free candidate profile on Hospitality Vacancy and browse the latest hotel jobs.
- Want personal guidance? Book a Hotel Career Guidance Call (30 min) and we will plan your next step together.
- Hotels hiring: Register as an employer on Hospitality Vacancy.
Related reading on this blog
- TASKI R8: Kettle Descaler, Uses, Dosage and Safety Tips for Hotel Housekeeping
- TASKI R5: Air Freshener, Uses, Dosage and Safety Tips for Hotel Housekeeping
- TASKI R6: Strong Toilet Cleaner and Descaler, Uses, Dosage and Safety Tips for Hotel Housekeeping
About the Author
Sumit Manwal is the founder of Hospitality Vacancy (since 2017) and has 20+ years of experience in hospitality. He received the "Excellence in Hospitality Sector of Uttarakhand" award, presented by Shri Dhan Singh Rawat ji (January 2023), and the Dainik Jagran inext Uttarakhand Ratan Samman for Excellence in Hospitality & Education, presented by Shri Bhagat Singh Koshyari ji (2023). He helps hotels build reliable teams and professionals grow their careers.
📧 Contact: manwal@hospitalityvacancy.com | 🔗 LinkedIn
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