Make your own sand filter system!

I think you'd be much better served with a real sand filter ... that will likely be difficult to seal (it could be under a lot of pressure) and there is no need to change the sand when you can backwash.
 
Given how cheap a real sand filter (under $150 for small - mid size filters) and how often good ones show up on the used market for almost nothing, why take the chance on some home built project like this one.

ps it is even cheaper than mentioned above, there is one ebay seller selling no name 18 inch sand filters for $115 with free shipping
 
It isn't very easy to locate a suitable container that isn't going to fail when placed under pressure. The pressures involved are fairly large and the possibility of explosive failure puts anyone nearby at potential risk.
 
Thread Status
Hello , This thread has been inactive for over 60 days. New postings here are unlikely to be seen or responded to by other members. For better visibility, consider Starting A New Thread.