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Patio Magic! 5 Litres Liquid Concentrate Mould, Algae and Moss Killer

by Scotts Miracle-Gro
4.1 out of 5 stars  See all reviews (231 customer reviews)
RRP: 17.99
Price: 16.99 & FREE Delivery in the UK. Details
You Save: 1.00 (6%)
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In stock.
Dispatched from and sold by Amazon. Gift-wrap available.
Want it Wednesday, 23 April? Choose Express delivery at checkout. Details
  • Liquid concentrate green mould, algae and moss killer
  • For use on hard sufaces indoors and out
  • Covers up to 170 square metres
  • Works in days and lasts for months
  • Biodegradable and children and pets need not be excluded from treated areas (once dry)
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Frequently Bought Together

Patio Magic! 5 Litres Liquid Concentrate Mould, Algae and Moss Killer + 5L Pump Action Pressure Sprayer - use with water, fertilizer or pesticides
Buy the selected items together


Important Information

Safety Warning
Use biocides safely. Always read the label and product information before use

Product details

  • Boxed-product Weight: 5 Kg
  • Delivery Destinations: Visit the Delivery Destinations Help page to see where this item can be delivered.
  • Item model number: 016492
  • ASIN: B001VEJCMQ
  • Date first available at Amazon.co.uk: 1 Mar 2009
  • Average Customer Review: 4.1 out of 5 stars  See all reviews (231 customer reviews)
  • Amazon Bestsellers Rank: 26 in Garden & Outdoors (See Top 100 in Garden & Outdoors)

Product Description

Product Description

Concentrated, long lasting, anti-bacterial disinfectant for the easy treatment, removal and prevention of green mould, algae and moss on hard surfaces. Treating up to 170 square metres, it's also suitable for indoor use, and as a pre-paint fungicidal wash. With no tiresome scrubbing or pressure washing just dilute, apply and leave to dry. It is biodegradable and children and pets need not be excluded from treated areas once dry. For more assistance or advice, please call 0845 190 1881

Product Description

Use on all outdoor hard surfaces
No scrubbing, easy to use
Visible results in 2-4 days
Contains benzalkonium chloride
Coverage: 170m2


Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews
44 of 47 people found the following review helpful
4.0 out of 5 stars algae removal 28 Mar 2010
I used this on my patio two weeks ago. I had jet washed it and it was still very green. I mixed this as directed and sprayed the solution on. The green has disappeared leaving the patio much improved I would recommend it
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34 of 38 people found the following review helpful
5.0 out of 5 stars MAGIC ON ROOFS AS WELL !! 10 Feb 2013
Verified Purchase
I have been using Patio Magic for several years now. There are other similar products out there but I belief they are dearer. I have also found that Amazon's price has been very competitive over the years as against using my over sixties discount card or promotions in the mainstream DIY or Gardening centres who only seem to carry minimal if any stock! I am aware that bleach will do a similar job, but feel it is crude by comparison!!

FACT. This is a really good product that is capable of giving excellent results. Like many diy jobs preparation is imperative. If you have heavy mould, algae or moss either pressure spray, scrape or wire brush first ( I have a Wolf garden tool that takes different attachments one of which is a hard wearing wire brush that simply clips on). Yes, its not the pleasantest of jobs to do, BUT I have only needed to do it ONCE, several years ago. From my experience it is important to apply Patio Magic on a cool or mild, windless dry day with no rain forecast for the following 24 hours at least. I use it in the spring or autumn. Do not skimp, use the full strength 4 -1 mix, a weak mix is false economy. You may find that your treated area dries up on the dark side, this seems to disappear quite soon, the solution really does seem to carry on working for many months.

APPLICATION. I use a HoZelock 5 ltr Premium Plus garden spray when treating my roof as I find the pressure really gets the mix into and between the concrete tiles. I use a large watering can fitted with a "weed" sprout (3.50 from Homebase/Amazon?) rather than an ordinary rose when treating the patio. A small spray bottle or any old ,clean brush is also handy for any hard to get at areas where moss and mould often lurk. Suggest you wear waterproof gloves.
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21 of 24 people found the following review helpful
4.0 out of 5 stars Works well but patience required 11 Oct 2010
By DAS01
Used on concrete roof tiles to remove moss and a black discolouration... not sure what causes that. Moss discolours quite soon after spraying but for the full effect you have to wait several weeks. Keeps working for months after treatment so be patient. Have used previously to good effect.
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14 of 16 people found the following review helpful
5.0 out of 5 stars It works 3 Mar 2011
Verified Purchase
This stuff really does work, not overnight but over a week or so onwards. I use this every Autumn, applied with a garden 7l sprayer, paths stay green free all winter. Kills moss eventually, just not overnight.
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31 of 36 people found the following review helpful
5.0 out of 5 stars patio magic 11 Oct 2010
By bert33
1st class product ..used and left as directed worked after two days moss,algae,green mould all dead in hours...top item
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30 of 35 people found the following review helpful
1.0 out of 5 stars Patio disaster 12 April 2012
Verified Purchase
This product is overpriced and not fit for purpose. I have a very large patio and so decided to experiment with 3 different products according to instructions. I split the patio into 3 sections and applied area 1 Patio Magic. area 2 Jeyes Fluid for patios and area 3 Gardenline patio & Path cleaner (aldi own brand). after 1 month area 1 was hardly any change. area 2 A reasonable change with area 3 a huge improvement which clearly showed up against the other products. The cost of Gardenline was 1.59 a litre half the price of Patio Magic. I am now going to redo the other areas with Linemark and advise people not to buy patio magic unless they want to throw away their money as the product is useless in my opinion.
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30 of 35 people found the following review helpful
5.0 out of 5 stars Really works 14 Dec 2011
By Sarah H
Originally bought this from a local store. I didn't think it would work very well because all you do is dilute and spray on, no scrubbing or hard work. I only managed to do half the drive with the smaller one I bought, I didn't notice much difference to begin with but gradually the part of the drive I had done became cleaner and cleaner and I could really see a difference between the half that was done and the half that wasn't. By this time my local store had sold out, but luckily I found it on Amazon. This is great stuff and so easy to use. I highly recommend it.
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12 of 14 people found the following review helpful
5.0 out of 5 stars Best Patio cleaner 25 Sep 2010
By Michael
This is the best [product on the market
No fuss it does exactly what it claims
Removes moss algae mould with just one application and lasts all season
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Most Recent Customer Reviews
4.0 out of 5 stars clean your patio with this
i have used this for years and its bril at cleaning a patio or natural paving , it lifts the dirt out with out brushing or pressure washing ,
Published 4 hours ago by Daniel Flynn
5.0 out of 5 stars No need to power wash
Great product use it every year,takes a couple of weeks to start seeing results,better the weather better it works.we never need to power wash our patio.
Published 16 hours ago by LINDA MASON
5.0 out of 5 stars Very effective
Well it's early days yet, but it seems to be really effective. I applied it on concrete and paving stones last week and there was a noticeable difference after 2 days. Read more
Published 2 days ago by haznic
5.0 out of 5 stars Bye bye Algae
Sadly my order from Top Brand Discounts 4 U never arrived but having used this product before I can say that it does the trick. Algae gone , moss is a little trickier.
Published 3 days ago by Blinky
5.0 out of 5 stars The Saint
I am very impressed by this product and at the speed in which excellent results have been achieved. Gone are my days of pressure washing the patio slabs and knocking lumps out of... Read more
Published 3 days ago by thesaint
5.0 out of 5 stars patio magic
We used this on the outside walls of our home,as the white render started to have a reddish fungal growth on it. Read more
Published 3 days ago by L. Harris
5.0 out of 5 stars Easy peasy
Does everything it days on the instructions, so easy to use. Just mix with water and spread over your patio and magically it does the job
Published 3 days ago by Lynda Harding
5.0 out of 5 stars Brilliant!
The wet weather had caused a real increase in moss and algae on our winding path which was now an eyesore after looking really good. Read more
Published 4 days ago by Clare Marden
5.0 out of 5 stars Magic patio magic
put this on drive and paths and it rained about an hour later I thought well that was a waste of time and money but was well chuffed when next morning the patio magic had worked... Read more
Published 4 days ago by Mrs. Kate M. Dale
5.0 out of 5 stars Patio/ Driveway clean
Patio Magic is by far the best cleaner for this purpose , Have tried many different types.
Patio Magic, is clean and easy to use, Have recommended it to neighbours
Published 8 days ago by Colin Crisp
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