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HG Algae & Mould Remover (Green Slime Remover)

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HG Algae and Mould Remover (previously known as Green Slime Remover) removes mould, algae, lichen or moss from paths, patios, walls, roofs, fences and terr...
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HG Algae and Mould Remover (previously known as Green Slime Remover) removes mould, algae, lichen or moss from paths, patios, walls, roofs, fences and terracotta pots, etc. After application the area will be clean within 36 hours. The cleaner goes deep into the surface, protecting it against re-growth for months at a time.

  • Dilute HG Algae and Mould Remover in a ratio of 1:20 with water, or a quarter of a bottle with half a bucket of water.
  • Apply the solution with a watering can, broom, scrubbing-brush or plant spray.
  • As HG Algae and Mould Remover does not leave behind any harmful substances, the area does not have to be rinsed off.
  • After treatment the surface is perfectly protected against re-growth for months.

This Green Slime Remover is not harmful to your grass and plants.

Must be applied in dry weather and when no rain has been forecast for the next two days.

Safety Information


Danger - Causes skin irritation & serious eye damage. Very toxic to aquatic life.

  • Always read label before use.
Please read label HERE.



Dilute 1 litre of product with 20 litres of water, then apply at a rate of 1 litre of diluted product per 10 square metres of surface. The (COSHH) Control of Substances Hazardous to Health Regulations 1994 may apply to the use of this product at work. Wear suitable protective clothing, gloves and eye/face protection. THIS MATERIAL AND ITS CONTAINER must be disposed of in a safe way. DO NOT APPLY TO SURFACES on which food or feed is stored, prepared or eaten. KEEP AWAY FROM TREATED SURFACES UNTIL DRY. FOR OUTDOOR USE ONLY. Remove or cover fish tanks and bowls before application. WHEN USING DO NOT EAT, DRINK OR SMOKE. COVER WATER STORAGE TANKS before application. REMOVE OR COVER ALL FOODSTUFFS before application. AVOID ALL CONTACT WITH PLANT LIFE. Avoid contact with eyes. Do not empty into drains. DO NOT USE NEAR DRAINS, PREVENT ANY SURFACE RUN-OFF FROM ENTERING DRAINS. Users must comply in full with all their legal responsibilities under the Control of Pesticides Regulations 1986 (as amended), including complying with all Conditions of Approval. READ ALL PRECAUTIONS BEFORE USE. HSE 6086

  • Made by HG
  • Ref: HG-181100106

 * Free Delivery applies to our standard delivery service only and excludes remote postcodes and heavy items.

** Please note that we don't deliver to Northern Ireland, The Republic of Ireland or any offshore areas.

Express (Next Working Day Delivery) for orders placed by 10am. Excludes Weekends & Bank Holidays.
£6.95 delivery charge (not available on all products).

Standard Delivery (3-5 days)
Up to £50 - £4.95.
Over £50 - Free (not offered on deliveries to remote addresses or orders for heavy items).

Remote Deliveries
£29.99 delivery charge for all addresses classified as Mainland Highlands.

Heavy Items (7-14 days) denoted by truck icon

£49.99 delivery charge for heavy weight items (eg. wood stoves, furniture etc) that require special delivery.
One heavy item surcharge is applied no matter how many heavy items are ordered.

No Quibble 14 Day Guarantee - if you're unhappy with your choice, just return the item (unused, with the original packaging), and we'll refund you, including any delivery charge - simple.
Worried about your order being damaged during delivery - no problem, such unusual circumstances are covered by our No Quibble 14 Day Guarantee.
In the unusual event your choice develops a fault we'll offer you the same level of service as we do in our stores - we pride ourselves in looking after our customers.

Click Here to read our Full Delivery Information

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