The Free Online Aquaculture Dictionary

Q
Quaternary Ammonium Compound

Name given to a group of compounds that exhibit certain chemical qualities. Includes Hyamine 3500 and Benzalkonium chloride which are used or the treatment of bacterial gill disease.

Quick Lime

Common name given to Calcium Hydroxide and also sometimes other very strong limes. See lime

Quicklime #2

Used as a herbicide to control the development of floating algal masses. Administration as required to raise the pH of the water to 10.2. Will cause damage/mortality to fish and other animal stocks. 

Quinaldine

Anaesthetic used as a bath. Typical concentration - 50mg/l.

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