Symptoms of an infection include listlessness, chafing and reduced appetite.
White Spot - caused by Ichtyophthirius or Ichtyo
Fungus - most caused by Saprolegnia. Can be recognised by the appearance of greyish white, cotton-like growths on the skin and/or gills.

Colombo Alparex 250 ml will treat a 5000 Ltr pond. (1100 Gallons)
Colombo Alparex 500 ml will treat a 10000 Ltr pond. (2200 Gallons)
Colombo Alparex 1000 ml will treat a 20000 Ltr pond. (4400 Gallons)

Colombo Alparex Dosage:
Day 1 - 25ml per 1000 litres of pond water
Day 2 - 25ml per 1000 litres of pond water
Switch your UV off during treatment. 

Colombo Alparex Composition
Acfriflavine HCL 20mg/ml
Malachite Green 2mg/ml

Very important: Please read the instructions carefully you MUST have a Kh of 5 or more before using Colombo Alparex.