Viresco UK
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Viresco UK
We sell various aquatic algae control products and specialist horticultural supplies worldwide to amateur gardeners. Many of these products contain microbes that improve plant growth and, in water systems, remove nitrate and reduce phosphate. Our aquatic algae control products suppress blanketweed (blanket weed) and other algae by removing the nutrients on which they live.

We offer two microbial aquatic weed control products to pondkeepers for the removal of blanketweed and algae bloom. We sell a third product to control algae bloom in aquariums. Blanketweed has different names, including string algae, filamentous algae, silkweed and curly weed. It is over 12 years since the first aquatic weed control product was launched and since that time we have had tremendous success with the product range.
Services
Our business was established over 22 years ago as John McLauchlan Horticulture and has supplied horticultural and aquatic products to enthusiasts in the UK over that time. Many of the products are micro-organism based and are sold under the brand name Viresco. Other products are based on our very reactive humic acid called Humate.
Reviews (1)
David Calver
David Calver
Jul 12, 2020
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Viresco aqua product for clearing algae and green water. Wow was this stuff good I thought at first the small amount I had to add to my pond would not work. I had very bad green water to the point the fountain was coming out green. I followed the instructions with a tiny amount and put it in the pond. A week later I started to get a better view of my fish. A few days later the pond was not so good so before the recommended time I added another tiny dose as it said overdose would do no harm, a few days later my pond had started to clear again. It continued to improve and is the best I have seen