Appendix 7 Cleaning hatchery after spawning

Note: Refer to Technical Drawings – 3/Pg 5A and Pg 7
1. Remove all scallops to outdoor tank with high flow of water; allow to spawn completely.

2. Close inflow of water from heating unit.
3. Disconnect cartridge for double 1 μm filter.
4. Open last red valve (heating line) in hatchery; close other valves in heating line. 5. Once chlorinated water has passed, rinse heating line with fresh water hose. 6. Open all red valves for complete drainage of pipes. Once drained close valves.
7. Open valve W at exterior of hatchery to allow for complete draining of heating line.
8. Discard all extra spawn. If species is exotic, discard in a chlorinated tub first. 9. Wash all trays and beakers with chlorine and fresh water.
10. Pass a small piece of chlorinated sponge through flexible hoses with fresh water hose.
11. Dip flexible hose into tub filled with chlorinated fresh water and leave until next water change.
12. All filters are rinsed and placed into tub filled with chlorinated fresh water. 13. Filter housings and immersion heaters are washed with chlorine and fresh water. 13. Store trays, beakers, filter housings and all other materials when dry.