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Details about  3x Barley-Straw Logs for Safe Natural Treatment of Algae & Blanket-Weed in Ponds

3x Barley-Straw Logs for Safe Natural Treatment of Algae & Blanket-Weed in Ponds
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Pet and Plant
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Free Economy Delivery | See details
 
Item location:
West Kingsdown, Kent, United Kingdom
 
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Dispatched within 1 day  
Seller has stated it will dispatch the item within 1 working day upon receipt of cleared payment[newWindowTxt]. Estimated delivery dates [newWindowTxt] include seller's dispatch time, and will depend on postal service selected. Delivery times may vary, especially during peak periods.
Payments:
PayPal Postal order/Banker's draft  | See payment information
International postage and import charges paid to Pitney Bowes Inc. Learn More
Returns:
14 days refund, buyer pays return postage See details
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eBay item number:
180912800994
Seller assumes all responsibility for this listing.
Last updated on  19 Mar, 2014 18:22:10 GMT  View all revisions
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Item specifics

Condition:
New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is ... Read moreabout the condition
 

Pet and Plant

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Barley-Straw Logs
for
Natural Treatment of Algae & Blanket-Weed

3 x Barley-Straw Logs

Please read our update at the foot of this listing on why our logs are no longer round!

Weight 65 grams each - Size approximately 25cm long by 9cm diameter

Is your garden pond green with algae?

Don't struggle with expensive chemicals, fancy filters or UV lamps!

Old-fashioned barley-straw logs are safe, effective, inexpensive and ecologically sound. They improve water quality and halt algae without risk to wildlife or plants.

  • No chemicals
  • No pumps, filters or UV lamps
  • Friendly to fish and other pond fauna
  • Harmless to other water-plants
  • Proven effective in ponds, lakes and canals

Who else uses Barley-Straw Logs?

Recommended by the Centre for Aquatic Plant Management, barley straw treatment for ponds is a natural solution for blanket weed and algae problems. It has been widely used since the early 1990s in England for controlling algal growth in canals, lakes and reservoirs and unlike chemical treatments is harmless to pond-life and higher plants.

How do Barley-Straw Logs work?

Barley straw works by preventing new algal growth, rather than by killing algae. This makes it safer to use than algaecides. Mass-death of algae can have a devastating effect on water quality and can make oxygen levels drop sharply to the point where it can even kill fish. With barley straw the algae simply dies off naturally and is not replaced (or is replaced more slowly) by new growth so that the algae decreases to a new stable level.

In shallow ponds other water plants can establish themselves as the algae is eliminated. As they grow they absorb the nutrients that algae needs and help keep your pond clear.

A barley-straw log ready for use.

How do I use Barley Straw Logs?

Tether the log just below the surface of the water, preferably near to moving water such as a fountain, otherwise as close to the middle as possible. If you use more than one log, they should be spaced so that each is in the middle of roughly equal-sized sections of the pond. This will keep the treatment circulating evenly through out the pond.

The straw takes about a month to start breaking down. Replace the log about every 4 months. For continuity of treatment keep the old log in the water until the new one becomes active.

If your pond has a dense cover of blanket weed, it helps to rake out as much of this as possible before and for a few days after the barley-straw has been added. This allows the water to absorb oxygen from the air, which is necessary for the barley-straw to start working.

How many logs do I need?

The growth of algae depends mainly on the surface area of your pond as algae growth is dependent on sunlight. The amount of barley straw needed to start off in still water with should be about 50 grams for every square metre of surface area. When the algae is under control this can be reduced to 25gms for every square metre. Muddy water needs up to twice the amount.

You can use the table below to work out the right number of barley-straw logs for your pond.

Too much barley straw is not harmful until you add at least 100 times the recommended amount so there is no need to worry about getting your measurements exact.


Square or Rectangular Ponds (Shape A)
Number of Logs Max width (metres)
x Max length (metres)
Max width (feet)
x Max length (feet)
1 Up to 1.3 square metres Up to 14 square feet
2 1.4 to 2.6 square metres 15 to 28 square feet
3 2.7 to 3.9 square metres 27 to 42 square feet
4 4.0 to 5.2 square metres 43 to 56 square feet
5 5.3 to 6.5 square metres 57 to 70 square feet
6 6.6 to 7.8 square metres 71 to 84 square feet
Round or Oval Ponds (Shape B)
1 Up to 1.7 square metres Up to 18 square feet
2 1.8 to 3.3 square metres 19 to 36 square feet
3 3.4 to 5.0 square metres 37 to 53 square feet
4 5.1 to 6.6 square metres 54 to 56 square feet
5 6.7 to 8.3 square metres 57 to 70 square feet
6 8.4 to 10.0 square metres 71 to 84 square feet
Irregularly-shapped Ponds (Shape C)
1 Up to 2.0 square metres Up to 22 square feet
2 2.1 to 4.0 square metres 23 to 43 square feet
3 4.1 to 6.0 square metres 44 to 65 square feet
4 6.1 to 8.0 square metres 66 to 86 square feet
5 8.1 to 10.0 square metres 87 to 108 square feet
6 10.1 to 12.0 square metres 109 to 129 square feet

How soon can I expect results?

You can expect good results in four to six weeks for most algae, but blanket-weed can be more persistent and you may need to continue to remove some growth by hand for a while. It takes up to two weeks for the barley-straw to decompose to the point where it starts to work.

Barley-straw logs do not harm fish or other water-dwellers. They provide a habitat for small invertebrates that feed on some of the decomposition products. These in turn are a source of food for larger inhabitants like fish and newts.

Log after three weeks

A small barley-straw log in a pond after approximately three weeks. Although the water is still greenish, the plant-pot can clearly be seen resting on the bottom. When the barley-straw was first added the pot could not be seen at all through the thick 'pea-soup' of algae.

What causes green ponds?

Algae are very simple plants ranging from single-celled algae like those that turn pond-water green, to the longer strands of blanket-weed and even larger water-plants and sea-weeds such as kelp. They do not have the specialised parts of other plants such as leaves, roots, flowers and rhizoids.

Algae thrive in nutrient-rich waters and, because they grow and reproduce so fast can quickly choke a pond and prevent other plants from gaining a foothold.

They tend to do well early in spring or after heavy rains, when the water is rich in disssolved nutrients and while other plants are not fully established.

The science behind barley-straw logs

When the barley-straw is placed in the water it starts to decompose. For the first fortnight or so this is mainly through bacterial action, but after this fungi start to break down the lignin in the the cell walls into soluble forms. These are further broken down both by enzymes released by the fungi and by bacterial action to form fulvic and humic acids which are released into the surrounding water. These products are known as Dissolved Organic Carbon (DOC) and are a natural component of aquatic eco-systems.

Dissolved oxygen in the water and sunlight cause the DOC to undergo a series of changes that causes small amounts of hydrogen peroxide to be formed continuously. Very low concentrations of hydrogen peroxide (as low as 2 parts per million in water) are enough to inhibit the growth of algae.

The bacteria and fungi that are at the root of the process need oxygen to survive and do their work. They take this oxygen from the water, which is why it is important that the barley-straw is not densely packed and is placed to take advantage of any water-flow or aeration that is present in the pond.

Some commercial fish-keepers have reported that fish are healthier and suffer from fewer parasites and improved gill function in ponds treated with barley-straw. This is possibly because the clearer water allows sunlight to penetrate deeper and so improves the water quality to a greater depth.

For more information on the science behind barley-straw logs there is an excellent leaflet published by the Centre for Aquatic Plant Control

Why our logs are no longer round (To save you money!)

In April Royal Mail put up the postage on parcels over 8cm high to £4.40 (£5.20 at the counter!). We found a courier to do it for £3.30, but in June their price went up to £4.00 too.

We don't see why you should pay that sort of money.

We now flatten our logs (a little) after manufacture so that we can send them at Royal Mail's 'Small Parcel' rate. They are still the same weight and quality we have always delivered - but oval instead of round. And as we have passed on the savings, they are now even more value for money!

Terms and Conditions

Payment

I would prefer payment through Paypal, however personal cheques will also be acceptable. If you pay with a personal cheque please allow up to 10 days for payment to clear before your item is despatched.

Postage and delivery

Orders are despatched within 2 working day from time of payment. We ship on weekdays. Orders are sent 2nd class.  Please see postal details. Allow up to 4 working days for delivery. If you do not receive your order within this time please contact me

Damage

If your purchases arrive damaged or if you have any queries or concerns, please me contact go through the eBAY messaging system


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Pet and Plant
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Item location: West Kingsdown, Kent, United Kingdom
Postage to: United Kingdom
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Will usually dispatch within 1 working day of receiving cleared payment[newWindowTxt].

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