King British Revitaliser Tonic 100ml
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A blend of essential salts. Revitalises sluggish and run-down fish, relieves fish of constipation and can cure swim bladder problems, and is suitable for use in coldwater & tropical aquariums. Available in a 100ml bottle which will treat up to 900 litres of tank water.
Magnesium sulphate 33.33% w/w, sodium chloride 11.11% w/w.