Surekleen Phoskleen 5L – Phosphoric Acid Descaler

Purpose-Built Mineral Scale Removal

The supplied TDS and SDS document Phoskleen as a phosphoric acid descaler containing less than 40% phosphoric acid, with pH below 2. It is formulated for lime, calcium, rust staining and hard-water mineral deposits on compatible acid-resistant surfaces.

Regulatory transparency: Schedule 6 Poison and Class 8 Dangerous Goods, UN 1805, Packing Group III.

Flexible Dilution

• Routine maintenance: 1:20 — 30mL per 600mL water
• Light to moderate scale: 1:10 — 30mL per 300mL water
• Heavy scale: 1:2 — 30mL per 60mL water
• Extreme build-up: use neat only under an approved procedure

Compatible Applications

Suitable for ceramic and porcelain, glazed tiles and grout, and stainless steel. Typical uses include commercial amenities, shower screens, wash basins, stainless fixtures, commercial dishwashers, glasswashers, bain-maries, stainless tanks, pipework and industrial equipment affected by mineral scale. Follow equipment-manufacturer instructions.

General Application Method

1. Remove grease and organic soils first with a suitable detergent.
2. Prepare the required dilution under the site chemical-handling procedure.
3. Apply with a cloth, sponge or controlled low-mist method.
4. Allow 2–5 minutes contact time. Do not allow the solution to dry.
5. Agitate if required.
6. Rinse thoroughly with clean water.

Commercial Dishwasher Descaling

Empty and drain the machine. Refill with clean water, add Phoskleen at approximately 1:20 dilution and circulate through a complete wash cycle without dishes for 10–15 minutes. Drain completely, refill with fresh potable water and run at least two complete rinse cycles before returning the machine to service. Always follow the machine manufacturer’s recommendations and site procedure.

Surface Restrictions

Do not use on natural stone or other acid-sensitive surfaces. Avoid prolonged contact with aluminium. Test an inconspicuous area first. Phoskleen may corrode metals and must be kept in compatible corrosion-resistant containers.

Technical and Regulatory Information

• Appearance: Colourless to yellow liquid
• Odour: Faint, characteristic
• pH neat: Below 2
• Specific gravity: Approximately 1.2
• Active chemistry: Phosphoric acid below 40%
• Pack size: 5L
• Product code: 1PK4.5
• GHS: Corrosive to Metals Category 1; Skin Corrosion Category 1B; Serious Eye Damage Category 1
• Poison schedule: Schedule 6 Poison
• Dangerous Goods: Class 8, UN 1805 PHOSPHORIC ACID, SOLUTION, Packing Group III, Hazchem 2R

Safety and First Aid

Wear safety shoes, protective clothing, apron, suitable chemical-resistant gloves and safety glasses or face protection. Do not breathe mist or vapour. If swallowed, rinse the mouth and do not induce vomiting. For skin or hair contact, immediately remove contaminated clothing and rinse with water or shower. For eye contact, immediately irrigate with water for at least 15 minutes and obtain urgent medical assistance. Call a Poisons Information Centre or doctor immediately where directed by the SDS.

Storage and Environmental Controls

Store locked up, upright and tightly closed in the original or compatible corrosion-resistant container in a cool, dry, ventilated place away from sunlight, food, oxidising agents and incompatible chemicals. Prevent runoff to drains and waterways. Dispose of contents and packaging in accordance with applicable regulations. Do not describe the product as environmentally safe; it remains a strongly acidic corrosive chemical.

Made in Western Australia

Phoskleen is manufactured by Surekleen in Malaga, Western Australia. Surekleen is an Aboriginal-owned cleaning chemical manufacturer.

Frequently Asked Questions

What does Phoskleen remove?

It removes lime, calcium, rust staining, hard-water scale and other inorganic mineral deposits. It is not a grease or general organic-soil cleaner.

Can it be used on natural stone?

No. Do not use it on marble, granite or other natural stone and acid-sensitive surfaces.

Can it be mixed with chlorine products?

No. Never mix Phoskleen with chlorine-based detergents, alkalis or other cleaning chemicals.

Is Phoskleen Dangerous Goods?

Yes. It is Class 8 Dangerous Goods: UN 1805 Phosphoric Acid Solution, Packing Group III.

Who should use Phoskleen?

Only trained personnel working under an approved risk assessment and chemical-handling procedure with suitable PPE, ventilation, eyewash and safety-shower access.