Back to Products
Deck Wash Acid - Acid and Concrete Removal - Sierra - Image 1
Description

Deck Wash Acid is Sierra's oxalic acid and detergent cleaner for boats, lifting grime, light rust and rust stains off fibreglass and decks, in 5L and 20L.

What it does

Deck Wash pairs detergents with an acid. The detergents loosen the soiling and contaminants that collect on marine craft, while the acid deals with light surface rust and the orange marks it leaves. The SDS names the acid as oxalic acid, under 20 per cent, in a clear liquid of roughly pH 2.

Where to use it

Marine craft of all kinds. Sierra's catalogue names fibreglass, decking and vinyl sails, and the SDS adds rust stains on painted and timber surfaces. It sits in our acid and concrete removal range. For routine washing, Ultra Gloss is a pH neutral boat wash.

How to use

  1. Put on goggles, gloves and boots before opening the container.
  2. Try a small hidden patch first.
  3. Apply to the stained area. Sierra publishes no dilution or dwell time, so ask us for the maker's guidance first.
  4. Rinse the treated area well with plenty of water.

Safe on / avoid

Sierra's catalogue rates it for fibreglass, decking and vinyl sails. The SDS lists alkalis, alkali metals and oxidising agents as incompatible, so never mix it with alkaline cleaners or bleach. It is non combustible but is a Class 8 corrosive for transport, and the SDS describes oxalic acid as highly corrosive to eyes. Keep it out of drains and waterways. Read the Safety Data Sheet before use.

Specifications

PropertyValue
AppearanceClear liquid
pH2 (approx.)
Specific gravityDensity 1.06 g/mL
Boiling point100°C (approx.)
Solubility in waterSoluble in water
Dangerous goodsUN 1760, Class 8, PG III
Poisons scheduleS6

Pack sizes and delivery

Freight is quoted to your postcode at checkout. Dangerous goods freight applies. Packed as the 5L Jerry Can (lots of 4) and 20L Drum.

Questions
▸Will Deck Wash Acid remove rust stains from a fibreglass boat?

Yes. The acid is there for rust marks and light surface rust, and Sierra lists fibreglass among its suitable surfaces.

▸Can Deck Wash go on vinyl sails?

Sierra's catalogue names vinyl sails as a surface it suits. Test a corner first and rinse well.

▸What acid is in Deck Wash?

Oxalic acid, at under 20 per cent according to the SDS, blended with detergents.

▸Does Deck Wash Acid treat heavy rust on steel?

No. Sierra makes it for light surface rust and rust staining, not for heavy corrosion.

▸How should I store it?

Under lock, in a corrosion resistant pack with a resistant liner, away from alkalis and oxidisers, as the SDS directs.

Safety Information

WARNING Harmful if swallowed (H302). Harmful in contact with skin (H312).

  • PPE: Chemical goggles and a face shield, elbow length impervious gloves (nitrile for long jobs, PVC or neoprene for splashes), overalls, a splash apron and rubber boots. Where a risk assessment shows a mist risk, a respirator to AS/NZS 1715 and 1716.
  • Handling and storage: Do not swallow, avoid breathing mist and wash well after use. Keep it locked away in a corrosion resistant pack with a resistant inner liner, apart from strong oxidising agents and alkalis.
  • First aid: Eyes: flush with plenty of water for 15 minutes or more, removing contact lenses if easy, and get medical attention straight away. Skin: wash thoroughly with soap and water. Swallowed: rinse the mouth and seek medical advice. Inhaled: move to fresh air. Call the Poisons Information Centre on 13 11 26.
  • Spills: Contain and soak up with soil, sand or other inert material, seal in labelled drums, then wash the area down with water away from drains.
  • Dangerous goods: UN 1760, Class 8, Packing Group III, Hazchem 2X.
  • Poisons schedule: Schedule 6 (S6).
  • SDS: Safety Data Sheet dated 29 Oct 2024 attached to this page.
DG Class 8DG Class 8

Dangerous goods · Class 8 · UN1760 · Packing group III

Deck Wash Acid

Pricing by Packaging Size

5L Jerry Can
AUD 34.00ex GST
AUD 37.40 inc GSTMinimum order 4: AUD 136.00 ex GST · AUD 149.60 inc GST
20L Drum
AUD 77.00ex GST
AUD 84.70 inc GST
Product Details
ManufacturerSierra
Brand pageSierra
UN NumberUN1760
Packing GroupIII
ClassificationDG Class 8
CategoryAcid and Concrete Removal
Pack sizes2 options
Dispatched fromAll
Stock Status
In Stock - 1000 units
Order Options

Packaging Size

Unit priceAUD 34.00
Subtotal (4 ×)AUD 136.00

Quantity

5L Jerry Can is sold in a minimum of 4.

Delivery Information

Estimated dispatch: 4 business days after you order.

Freight is quoted to your postcode at checkout before you pay, with an estimated delivery date where the carrier gives one.

Reviews

What buyers say

No reviews yet - be the first.

Once a buyer leaves a review for Deck Wash Acid, it’ll appear here.