I've passed on your responses and I'll let you know how he gets on.

I've made him go and buy a water testing kit, and I'll get him to look
for some of the possibilities mentioned.
Gareth

Excellent suggestion (test kits) for starters.

Pass this on also: Sick Fish/Pond Form

Please describe your problem, including fish characteristics, like;
whirling, flashing, gasping at surface, wounds, etc.:

Pond Size in Gallons? (litres*.26=US Gallons):

Water Source (Well, Irrigation, City?)
If City how is water treated?: =

Time in Operation?
(How old is the pond/water?):

Liner type? (EPDM,PVC,RUBBER,Cement/Concrete etc):

Fish Population?
Type? Size? QTY, Time in Pond:

Food? Type and Frequency of feedings.:

Pump Type, IN/OUT of pond, GPH etc
(Describe your filtration system as well as possible):

Prefilter media type? Last cleaned?:

Filter is BIO or Mechanical? Last cleaned? How?:

Carbon added? How much? When last changed?:

Aeration? Waterfalls? Bubblers?
Venturies?:

Water Temp?

pH?:

KH?:

Ammonia (ppm or mg/l):

Nitrite (ppm or mg/l):

Nitrate (ppm or mg/l):

Water Color, cloudiness, odor?:

Water changes? (% of pond volume and how often):

Additives used (water conditioners etc):

Tests done by self or another?:

Weather (what's it been like lately?):

Medications used?:

What Zone or Country of residence?:

~ jan
---------------------
See my ponds and filter design:
www.jjspond.us

~Keep 'em Wet!~
Tri-Cities WA Zone 7a
To e-mail see website
~ jan/WA
Zone 7a