After I vacuum my ingrnd pool, enjoy turned spout subsidise to filter, dirty hose shoots subsidise surrounded by pool thru jets-why

I stipulation to replace an prehistoric backdoor on...
Answers:    Do you backwash the filter after you vacuum? After I vacuum I backwash for 2-3 minutes, put it on rinse for 2 minutes, backwash again for 1-2 minutes and then fund to filter. If you have you hold a in-line chlorinator shut it off while vacuuming.
Why did sewer gas smell disappear after using...