Think I'll have to buy some testing kit (any suggestions). I have a
90L tank with one fish & change 20L each week. Have 2x Fluval 3 plus
filters & 1x vigorous airstone. Also I hoover gravel about once a
month (this routine has gone on for 4 years).
Too be honest I thought I was quite good at house-keeping - obviously
not

Thanks for your advice.
Bolly
wrote in message
...
what are your water parameters. nearly always this is due to really
poor water
quality. start changing 30-50% of your water ever day for a week.
add 1 teaspoon
salt per 5 gallons (salt with no additives). predissolve before
adding OR use rock
salt. Ingrid
"Bolly Olly" wrote:
Hi
My 4yo. fantail goldfish has started to shed his scales on one
side.
No change to tank ornaments etc. He/she has had a recurring problem
(looks like fungus) on the tail - but I've been trying to treat
this
(gently) for years.
Otherwise he is bright healthy and seems to enjoy life.
Any ideas?
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