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Dyofix Frequently Asked Questions
Dr Jonathan Newman
The head of the
Aquatic Plant Management Group at the Centre for Ecology
and also runs
Waterland Management
a consultancy and contracting business for aquatic weed control.
Please read his comments on Dyofix products (Word 2007, 15Kb).
Health & Safety data sheets are located at:
Are DyoFix products safe?
Yes. The dosage recommended is very low and has no effect on fish,
any visiting wildlife or domestic animals.
A lot of tests have been performed and we are happy to guarantee that Dyofix
is safe for all animals and plants.
Do DyoFix products help to reduce weed growth as well as algae?
Yes. Weeds that are rooted to the bottom of the pond require sun
light to grow in exactly the same way as algae.
Weeds that have leaves at, or above the surface of the water will be able to benefit
from the sun light, so it is recommended that DyoFix should be applied in early Spring
before the weeds start to grow. Prevention is always better than a cure!
We have people contact us when really bad pond weed problems are already present
and after treating the water with DyoFix have reported significant progress and improvement
- some have noticed this overnight others after a few days.
Do your products need to be licensed by any authorities?
This is still under negotiations with the Department Of Agriculture but we believe
that this will not be necessary because Dyofix contains no active ingredient or
harmful chemicals. It is completely natural.
Does the product stain?
In its concentrated form, Pond Blue WILL stain hands and clothing,
so it is always recommended that gloves should be worn when handling the products.
At a recommended dilution rates no staining will occur.
Is it safe to swim in water treated with DyoFix?
Yes. All DyoFix Pond products are made using European Food Approved Colours.
Can we use more than the recommended dose?
Yes. DyoFix can be overdosed by many thousands of times, but while this would
be good for our sales, it would not serve any practical purpose.
Using 2, 3 or 4 times the normal dose is normal practice for people who like to
enhance the colour of their Ponds.
Why does Dyofix make water so blue?
Dyofix can be added to taste. The minimum recommended dosage should be
applied in order to ensure algae inhibitation, but more product can be added
to the client's taste. For clients who prefer a more natural color,
Dyofix Lake Shadow is available.
How deep in shade will the water be once the product has been applied?
The illustration in the image below shows that the minimum dose is almost imperceptible.
Please note that the colours shown are indicative and are not intended to be
taken as accurate.
Will DyoFix work in all ponds?
Almost. The depth of the ponds must be a minimum of 24 inches for it to serve
its proper purpose (there is no maximum depth requirement).
It is possible for the product to work in shallower waters, for example,
a pond depth of 12 inches would require twice the normal dose.
How long will it last?
There is no definitive answer to this question as strong sunlight and
rainfall both have an effect on the dye. The Sun will fade the dye and
rainfall will dilute it, but tests carried out in SA show that
1 month is easily achievable before any topping up is required.
When a top up is required, the pond will NOT require a full dose.
How will we know when, and how much to use for topping up?
Without the use of sophisticated measuring equipment, this has to be left to
your judgement using the naked eye.
We suggest that before any DyoFix is added to the Pond, a sample should
be taken (in a clear container).
After the Dye has been added and allowed to completely mix with all of the pond water,
another sample should be taken.
Both of these samples should be labelled and stored in a cool DARK place.
About once a month, a fresh sample should be taken and compared to the originals,
paying attention to the depth of colour in the original and the latest samples.
If the latest sample looks to be about half the strength,
top up the pond with half the original dose.
How long does it take for DyoFix to mix into a pond?
This depends on a number of factors.
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The size of the pond - with a very big pond, it may be difficult to
reach the middle (without using a boat).
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The "stillness" of the water - the more movement of the water, the
quicker the dye will mix. If re-circulating pumps are used the mixing will
take less time. The simple movement of fish helps to distribute the DyoFix.
Will the DyoFix damage water pumps?
No. The dye is completely soluble and will pass through pumps and
filters very easily.
Can DyoFix be used with other products?
DyoFix Pond Blue can be used with other chemicals provided that they are not Chlorine based.
Chlorine will attack the dye by bleaching it and rendering it useless.
How much product will I need?
This depends on how much water is in the pond so you will need to calculate
the number of litres of pond water.
To do this, you will need to establish the length, width and depth of the pond in metres.
Multiply the dimensions and convert the total into litres by multiplying by 1000.
E.g. 98m (Length) x 43m (Width) x 2m (Depth) = 8428 x 1000 = 8.425 million litres.
1 litre of DyoFix Pond Blue liquid concentrate will treat 1 million litres
of pond water, so you would need to use about 8.5 litres.
What do I do with unused DyoFix?
Keep it in a cool, dry place with the lid firmly in place and use
it for "topping up" later in the season.
Stored in this way, DyoFix has a long shelf life.
Can I talk to anyone who has used DyoFix Products?
Please contact us and we will give you names
and telephone numbers. It would be unprofessional to publish these contacts here.
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