I'm posting this for a friend who doesn't have a computer. They're having a
problem they can't seem to solve. There is blood streaks in the fins of
their six 3 year old koi (they don't keep goldfish). The pond is 1000
gallons and has many plants, no UV light and filter rated for 1000 gallon
pond plus a new pump (they don't know how many GPH it pumps). There is very
little mulm on the pond bottom. The water is clear. No clays or cat-litter
is used. I did a scrape on several of the koi and no parasites were seen,
we scraped a few days later - still negative. They aren't flashing and all
are acting normal and eating well. They had a normal slime coat and she
uses KoiZyme once, in the spring. The pond is in the sun most of the day.
The liner is tuned up so no runoff can get into the water. No sprays are
used around the pond.

We tested the water:

Ammonia - 0
Nitrites - 0
Nitrates - 10 ppm
Total hardness - 300
Total Alkalinity - 300
Ph - 8.4

Food used: Ichiban by Misty Mountain and Tetra Sticks once a week as a
treat.

All replies will be printed and sent to her.
--
McKoi.... frugal ponding since 1995...
My Pond Page http://tinyurl.com/cuq5b
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