I have just changed the sand in my Tagelus filter but sand is now leaking into the pool and depositing on the bottom, not vast amounts but enough to make the water cloudy and not clear with floculant. What have I done wrong or what is likely to have gone wrong? I simply vacuumed the old stuff out as well as possible and replaced it with the amount and type recommended by my usual pool bit supplier, having first half filled it with water.
When I clean the pool the multiport gets blocked with sand and will not turn, I have to remove it and wash it so that it works again.
Any suggestions would be appreciated. Do I need to replace the filter completely