Some of our viewers wonder how often the sand should be changed in a sand filter, so here the pool guy answers those questions. His recommendation: change the sand in a sand filter when your system tells you it’s time through your water clarity and ability to clean the pool, and if it’s been more than 3-5 years since it was changed.
If you decide to DIY, here are a few products you may want to replace, depending on what you find in the bottom of your filter!