Hydra Lake Clear - Commercial Blanket Weed Remover
Pack Size: 1X25 KgPack Size: 2x25 kgPack Size: 3x25 kgPack Size: 4X25 Kg

Hydra Lake Clear - Commercial Blanket Weed Remover

Our Price:  £188.43
List Price:  £228.40
Saving Of:  £39.97 (18%)
(Inc. 20% VAT)(£157.03 Exc. VAT)
Pack Size:

  (6 Reviews)
  • Biological blanket weed treatment, ideal for large bodies of water
  • Same safe biodegradable action as barley straw but without the mess
  • Rapid action - No waiting weeks for results
  • Shelf life 3 years, 25 Kg treats up to 4,000m² (up to 1 acre) on one application depending upon severity of contamination 

Orders over 100 Kg will be delivered by pallet. Please be sure you are able to accept a pallet delivery.

Brand:  HYDRA

Features & Advantages

  • Hydra Lake Clear is an eco-friendly composition of sequestrants and natural minerals that quickly treats blanket weed, string algae, and slime.
  • Completely biodegradable product with action similar to that of barley straw minus the long waiting periods.
  • No need to wait for weeks to get results, no bad odour or decaying straw to remove from the water.
  • Gives healthy, clean water by starving the blanket weed/string algae. Chelates and absorbs most pollutants of water including phosphates and nitrates, which are important for blanket weed to survive.
  • Easy to use granules that can be simply broadcast upon the affected surface.
  • Acts immediately. No toxic effects.
  • Safe to use in water with fish or any other form of aquatic life. Poses no danger to birds, invertebrates, reptiles, wild or pet animals, water plants, humans, and mammals.
  • No effect on biological filters or pumps. Compatible to use on all large pond surfaces/liners (synthetic or concrete).


Hydra Lake Clear is a special formulation for the treatment of blanket weed in lakes or other large bodies of water. It is a favoured product of various ground keepers including those taking care of fishing lakes, stately homes, golf courses, leisure parks, angling clubs, and boat docks.



Broadcast (like you would if applying grass seed) over the area to be treated and leave for 2-3 days.

During this time, the blanket weed should die off (turning grey or jelly consistency).

You can remove the dead blanketweed or leave it as it is on the water surface.  It will die off and sink to the bottom, eventually decomposing over time.  This will add nutrients to the water body.

If any blanket weed remains, reapply and repeat Hydra Lake Clear.


NOTE – If blanketweed is very thick, it may take several treatments.


It is possible that new blanketweed will reappear in patches. Retreat as before.

Average Rating (6 Reviews):  
Write a Review and share your opinions!

Fast delivery
22 April 2021  | 

Fast delivery and done the job


This review has not been appraised.

Must have product
20 July 2020  | 

This very easy to use product worked a treat in our lake. It is safe with all the wildlife and has made our lake stand out again. Great product and a must have.

Was this helpful to you?  Yes  /  No

4 of 4 people found this review helpful.

Happy customer
15 May 2019  | 

I used to use Barley straw to get rid of the blanketweed in the lake but the smell, mess and work that went into removing it was a nightmare. There had to be an easier solution and Lake Clear was the answer. It was easy to use and the blanketweed came to the top all clumped together and was very easy to remove from the lake. Very happy


5 of 5 people found this review helpful.

Problem solved
29 April 2019  | 

Our anglling club has blanketweed in patches, I phoned hydra to find out how much I needed. The lady was very knowledgable and told me how to tackle the problem. After receiving my product very promptly, I did as she instructed and can gladly say the blanketweed had cleared up and I now have it maintained.


5 of 5 people found this review helpful.

16 May 2018  | 

With blanketweed always a regular problem, I used this product to help in the lake. After the treatments the lake is looking much better and no blanketweed.


4 of 4 people found this review helpful.

Hydra Lake Clear (Commercial Blanket Weed Remover)
13 May 2017  | 

From an oozing mess of green slime, I sprinkled by hand the tiny granules of Hydra Lake Clear, using the wind to accurately target settlement on top of the weed. After a couple of days the slime began turning ash grey, then the wind direction changed and it all began to disappear. It is a pleasure again to have back clear open water.


6 of 7 people found this review helpful.

Related Products
Hydra Quartz - Pond Blanket Weed Treatment
Hydra Quartz - Pond Blanket Weed Treatment
From:  £18.50
  • Highly effective biological blanket weed treatment
  • Rapid action starts working immediately - No waiting weeks for results
  • Best barley straw alternative, without the usual barley straw mess
  • Shelf life 3 years, 1 kilo treats up to 12,500 litres
Hydra Silt-Less Base (Part-1 of Organic Silt Treatment For Lakes)
Hydra Silt-Less Base (Part-1 of Organic Silt Treatment For Lakes)
  • Use only in combination with Hydra Silt-Less Bio Bacteria (Part-2) for effective organic silt removal
  • Natural way to get rid of organic silt and sludge build-up up to 9 inches (23cm) over a 12 month period
  • Prevents build-up of slime, green water, algae, blanket weed and odour in lakes
  • Massively increases surface area for bacteria to reproduce on and in
  • Use in Spring & Autumn for Optimum Results
  • Shelf life 3 years, 25 kilo treats up to 100m²
Hydra ST703 - Removes Filamentous Algae
Hydra ST703 - Removes Filamentous Algae
From:  £16.45
  • Removes even the toughest of green filamentous algae and blanket weed
  • Absorbs the essential nutrients required for algae growth
  • Active ingredients ward off algae blanket weed long after the treatment
  • Shelf life 3 years, 1 kilo treats up to 20,000 litres