I recently bought a home with a baqucil pool and after converting to chlorine
changed the sand in the filter. Since then when I rinse after backwashing, there
is sand in the sight glass. Also when I initially switch to filter (after backwashing)
there is sand coming out the returns for about 20-30 seconds. Yesterday was the third
time this occurred. When I changed the sand there was no damage to the laterals
and the pipe in the middle looked OK. I filled the filter tank about 1/3 full with water
before adding sand to cushion the laterals. Is this normal after changing sand for a
period of time or do I have problems? Any advice would be greatly appreciated.