Koi Know How - Using algae controls
Without doubt, nuisance algae tops the list of UK pond owners'
complaints. Green water needn't be a problem for any pond owner who
has recirculating water in their pond since ultra violet units
(adapted from the food processing industry) have been introduced to
the pond and aquatics industry.
- Algae problems in koi ponds have risen to become one of the
koi keeper's most common complaints.
- Interpreting the label Nuisance algae will usually take one
of two forms; green water and filamentous algae known as
- For example, if a pond has benefited from a UVc, clearing it
of green water, then blanketweed will proliferate, thriving in
the clear sunlit pond water enriched with nutrients.
- Description of the product Volume of pond water treated
Course of treatment Warnings or precautions Price Description of
the product Scanning across labels of different products for
blanketweed, various claims are used such as 'controls',
'clears', 'deals with', 'reduces' and 'kills'.
- Blanketweed treatments that 'control' or 'deal with'
blanketweed growth may use a combination of dyes that turn the
water blue, thus shading algae from its valuable sunlight
thereby reducing its growth.
- The label of a treatment will specify the volume of pond
water that it will treat (in litres and gallons) and this can be
used to determine how many treatments you may get out of each
- Some products state 'has no detrimental effect on fish and
plant life' others state 'harmless to all fish', but may turn
your water blue.
- The only aquatic herbicide on the market (Blanc-kit) is
'safe to use in ponds containing fish, emerged plants such as
reeds and rushes' but may suppress or damage certain desirable
plants such as water lilies.
water pond treatment
algae koi controls label growth "green water" Price precautions
Warnings UVc plants fish click here to see full
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