Pond Klear contains millions of beneficial bacteria that target the microscopic algae and nutrients in the pond. They clump them together and sink them to the bottom of the pond, where they can be removed via the pump and filter or digested by the bacteria.
Sludge Klear is a pond sludge remover that contains millions of beneficial bacteria. Their job is to target pond sludge, break it up, and get it to the water column. From there, your filters can catch it, and it can be physically washed away. Sludge Klear will work in ponds that don’t have filters but can take longer to work as we’re relying on bacteria alone. The bacteria are capable of working at 4°C to remove sludge and improve water clarity.
This is a two-product bundle that can be used to either clear green water and sludge or to keep pond water clear. The two different strains of unique bacteria will focus on different problem areas in the pond, such as dirty water and the build-up of sludge.
Clear green or murky water, break down sludge, and prevent algal blooms in large ponds with this bundle of products.
Pond Klear contains millions of beneficial bacteria that target the microscopic algae and nutrients in the pond. They clump them together and sink them to the bottom of the pond, where they can be removed via the pump and filter or digested by the bacteria.
Sludge Klear is a pond sludge remover that contains millions of beneficial bacteria. Their job is to target pond sludge, break it up, and get it to the water column. From there, your filters can catch it, and it can be physically washed away. Sludge Klear will work in ponds that don’t have filters but can take longer to work as we’re relying on bacteria alone. The bacteria are capable of working at 4°C to remove sludge and improve water clarity.
6 Sludge Klear tablets treat 30,000L
Check the pH of the pond water before using, and if required, use Pond Equaliser
Refer to the individual products for different application methods
Reapply every 7-14 days
Clears green or murky water
Breaks down and eliminates pond sludge
Completely safe for fish and other wildlife
Natural product that contains no harmful chemicals
Yes, both products are natural products that are safe for all fish, plants and wildlife.
Yes, the different strains of bacteria work well together to clear pond water and remove sludge.
Envii Pond Klear Xtra treats green or dirty water and Envii Sludge Klear reduces pond sludge.
Whilst this can be used all year round, it is most effective when water temperatures are above 4°C.
The UV light does not need to be turned off when using this.
Key Ingredients
Bacteria
Our range of Bacillus bacteria are versatile and capable of performing a variety of essential tasks, just as they do in nature. Whether it's breaking down waste or fixing nitrogen in the soil, these bacteria thrive in both aerobic and anaerobic conditions, even at low temperatures, to deliver the results you need.
Red Algae
Red algae, or Lithothamnium Calcareum, is a seaweed found in the Atlantic Ocean and English Channel. Known for its natural ability to absorb and filter excess heavy metals like lead and copper, it offers a natural solution for cleaner, safer water.
"I have used at least 3 different treatmrnts this year and Envy was the third one. I still remove some string algae manually, but it is a much, much better water condition now! I think unusual situation with rain and temperatures this yearcreally affected our pond and the gardrn!"
— T C. (4/5)
I have used pond clear
"I have used pond clear extra which killed my blanket weed also two I ltr bottles of pond clear over an 8 week period and still my pond is green. i have also checked the balance of my pond which seems ok."
— David L. (5/5)
Did the job
"My pond had become very green during the recent hot weather. My usual treatments didn’t seem to be working. After reading the positive reviews I decided to try Envii Klear Xtra. It’s taken 7 weekly treatments but the water is now clear (the label does say that it can take 6 - 8 weeks to clear very green or murky water). I also cleaned the pond filter twice a week, as recommended. It was amazing how much sludge was accumulating in just 3-4 days). You need to be patient as positive results do take time, but I’d highly recommend this product."
— Steve M. (5/5)
"I have been using Sludge Klear for some time, it is a very good product. I would recommend it."
— Michael (5/5)
Not happy with this product
"Not happy with this product done nothing got my pond ??"
— Ernie M. (1/5)
Hi I purchased the pond
"Hi I purchased the pond clear and algae clear last year to sort my pond out. I have to say after repeat purchases my pond is looking great."
— Neil S. (5/5)
Seems to be working nit
"Seems to be working nit sure yet"
— Diana L. (4/5)
Doesn’t seem to be working
"Doesn’t seem to be working"
— Felicity (1/5)
great product to help breakdown
"great product to help breakdown the sludge in a pond"
— Ross T. (5/5)
I have applied 2 tablets
"I have applied 2 tablets and can see no appreciable difference so far. Silt levels are exactly the same. My pond does not have fish and I try to remove leaves and surface debris so little organic waste to digest. Purchased due to claim to work down to 4C."
— David H. (2/5)
Q&A
Featured Products
Keep your pond crystal clear, healthy, and thriving with our premium pond treatments. Designed for garden pond owners, fish keepers, and wildlife enthusiasts, our range tackles everything from water clarity to nutrient balance, ensuring a safe environment for fish and plants.
Whether you need to remove green water, combat stubborn blanket weed, or improve pond health with effective sludge removal, our solutions are fast-acting, and easy to apply. Trusted by UK gardeners for all-season pond care, these treatments help prevent common problems and keep your pond looking its best year-round.