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Duckweed Control
from £13.95
GWT-053
2 Customer Reviews
View all Reviews
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The tiny leaves of duckweed can pose a big problem to ponds of all sizes by blocking essential light and depriving other pondlife of oxygen - so we're sure this duckweed busting, simple to use, eco-friendly Duckweed Control will prove very popular.
Harmless to fish, frogs and other aquatic life, Duckweed Control relies upon a mix of selected natural bacteria to prevent duckweed growth by modifying the water chemistry - an intial dose followed by regular 10ml applications, all measured accurately by the built-in dosing chamber - should result in a clear and thriving pond. Available in both 500ml and 1 litre bottle sizes, the Duckweed Control is suitable for use in all types of pond.
• Duckweed Control supplied in 500ml and 1 Litre bottles
• Prevents duckweed growth
• Prior removal of existing duckweed is recommended for best results
• Contains no synthetic chemicals or artificial pesticides
• Safe to use in all ponds
• Poses no harm to fish, frogs or other aquatic plants
• Fits perfectly in any organic gardening system
• Enhances natural water chemistry
• Use 500ml bottle for ponds up to 4,500 litres (1,000 gallons) in size
• 1 Litre bottle doses larger ponds
• Full dosage rates and information contained on bottles
• Intial dose of one full dosing chamber for every 450 litres of water to be treated
• Add 10ml per 450 Litres weekly until no duckweed is left
• Bottles include dosing chamber
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EM Mud Balls
GDN-432
£5.95
EM Ceramic Chips
GWT-037
£16.95
Extract of Barley Straw
GWT-043
£9.95
EM Mud Balls
EM Mud Balls
£5.95
A unique mix of Bokashi wheat bran, clay, EM microbes and EM ceramic powder are fused together to produce these EM Mud Balls which promote sludge-eating microbial activity, leaving you with a naturally clean and bright pond. Start your pond treatment by adding 1 mud ball per 1000 litres of water in your pond and maintain the clear condition by adding 1 ball per m2 of surface area every 6 months. As you’d expect, they’re totally safe for all fish, animals and humans.
Extra Value - Save £2 when buying a pack of 4 EM Mud Balls
• Completely organic pond treatment
• 1 single mud ball will initially treat 1000 litres of water
• Add 1 ball per square metre of surface area every 6 months to maintain clarity
• Fish and other pondlife unaffected
• Perfectly safe to add single balls to ponds under 1000 litre capacity
• Best results obtained when water temperature is above 10°C
• Available individually or in an
extra value
pack of 4
EM Ceramic Chips
EM Ceramic Chips
£16.95
Keep recycled rainwater in your water butt fresh, energised and uncontaminated for 10 years by hanging a bag of these EM Ceramic Chips inside. The pure water will be ideal for developing strong and healthy plants. Can also be used in toilets, fish or water tanks & ponds to structure water, reduce dirt and slime build-up. Can increase the cleansing power of detergents in the laundry.
• Now supplied in an orange-coloured mesh bag with no loop
• Simply drop into water butt, pond or whatever area of water you are treating
• 250g in bag suitable for treating 250 ltrs - eg.use 4 bags to treat a 1000 ltr pond
• Suitable for use in toilets, fish tanks, water butts, ponds and household water tanks
• Will continue to cleanse water for up to 10 years
What The Experts Say...
"Water butts are an excellent way of saving rainwater but they can get smelly. If heavy rain is forecast it is a good idea to take the opportunity to empty your butt out and give it a thorough clean. For continued sweet water Harrod Horticultural sell bags of EM Ceramic chips which will keep water fresh for 10 years. Each bag will treat 250 litres of water."
Stephanie Donaldson,
The Enduring Gardener
– 21/10/09
Save rainwater and keep it fresh for up to ten years by hanging a bag of EM ceramic chips inside a water butt. Each bag treats 250 litres of water.
'In the Garden: Our Monthly Guide to Organic Gardening, Country Living magazine, May 2009
As recommended by Stephanie Harrod;
"It's an incredible product! I have had one bag in my small pond for two years and the water remains completely clear."
Extract of Barley Straw
Extract of Barley Straw
£9.95
Blanketweed is a scourge to many garden ponds but you could be staring at clear water with the help of this frog and environment friendly Extract of Barley Straw.
Supplied in both 250ml and 500ml bottle sizes, the Extract of Barley Straw is perfectly safe to use around fish and plants thanks to the absence of any synthetic chemicals and artificial pesticides, and each size of Extract of Barley Straw bottle contains detailed dosage information for both the cure and prevention of algae and blanketweed.
• Extract of Barley Straw supplied in 250ml and 500ml bottles
• Removes blanketweed
• Can also be used as a preventative measure
• Contains no synthetic chemicals or artificial pesticides
• Safe to use in all ponds
• Poses no harm to fish, frogs or aquatic plants
• Fits perfectly in any organic gardening system
• Enhances natural water chemistry
• Faster acting than barley straw
• Use 250ml bottle for ponds up to 4,500 litres (1,000 gallons) in size
• 500ml bottle doses larger ponds
• Full dosage rates and information contained on bottles
• Add regularly throughout spring and summer as a preventative measure
• Bottles include dosing chamber
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