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๐ก Transform your outdoor spaces with pro-level power and unbeatable value!
Liquipak BAC 50 is a 5L concentrated benzalkonium chloride cleaner designed for powerful, professional-grade outdoor cleaning. It effectively removes algae, moss, and grime from multiple surfaces including roofs, patios, decking, and driveways. Trusted by UK professionals, this fast-acting formula delivers visible results within days and offers economical dilution rates for large-scale use.








| ASIN | B08DNMJ7S6 |
| Benefits | Corrosion |
| Best Sellers Rank | 3,939 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 37 in Commercial Disinfectants |
| Brand | Liquipak |
| Brand Name | Liquipak |
| Container Type | Bottle, Jerry Can |
| Contains Liquid Contents? | Yes |
| Customer Reviews | 4.6 out of 5 stars 124 Reviews |
| Item Form | Liquid |
| Item Volume | 5 Litres |
| Item Weight | 5 Kilograms |
| Item form | Liquid |
| Item volume | 5 Litres |
| Manufacturer | Liquipak |
| Material Type Free | Bleach Free |
| Number of Items | 1 |
| Part Number | 9505269281432 |
| Recommended Uses For Product | Roofs, Patios, Decking, Render, Cladding, Hard Surfaces |
| Scent | Unscented |
| Size | 5 l (Pack of 1) |
| Special Features | Antimicrobial, Concentrated, Hospital Grade |
| Specific Uses For Product | Outdoor Cleaning |
| Specific uses for product | Outdoor Cleaning |
| Surface Recommendation | Hard surfaces |
| Unit Count | 5000.0 millilitre |
| Unit count | 5000.0 millilitre |
A**R
Block path.
Arrived on time bac 50 cleans our block paving very well moss and weeds. Put it on with a watering can mindful of plants would like a proper measure in cup so now wast ....
D**7
Good stuff
This is useful and better than the weaker types in garden centres
P**L
Does very good job for moss clearance
Used before very good clean moss on tarmac drive and paving
S**R
It works
Everyone raves about the premixed products for patio cleaning. Well this works out significantly cheaper as a means of doing the job. Follow the instructions for the ratio of water required and safety. Make sure youโre wearing old clothes, gloves and protective eyewear. I mixed mine in a builders muck bucket and applied it to the patio with an old broom on a dry day. It dries in. And the sun and weather do the rest. My north facing, weedy and mossy patio is now considerably better than it was. I have to do more work to properly tidy it up. But as a low effort, starter for 10, this has been really good. The moss is dying, the weeds are unwell and the black staining on the paving is definitely lessening. It is effectively bleach, so donโt get it on flower beds and make sure you have shifted any garden furniture to where it canโt accidentally be splashed.
E**E
Delivered quickly
Excellent product. Excellent service
A**R
quick delivery
product accurately described fast service
A**R
Works well
Good product that Iโve used before and already can see it is killing off moss within 5 days of application Easy to dilute and use Considerably cheaper than alternatives particularly when treating a large area
J**S
Cost-effective algae remover
This is the active ingredient in Patio Magic, which costs almost the same per 5L despite only containing ~7.5% benzalkonium chloride. Buying this concentrate is, therefore, significantly better value while enabling the user to mix a strength appropriate to their own needs. Just like Patio Magic, this stuff took the winter growth of green algae off my patio, fences and walls within a couple of days of application. This isn't the right stuff to kill moss, and it will struggle with algae on rougher and more porous surfaces.
Trustpilot
5 days ago
2 days ago