On Thu, 24 May 2012 17:20:57 -0400, gfretwell wrote:

You use the wide spray nozzle and don't get too close.

I just ordered one of these - but of course - it won't arrive in time:
http://tinyurl.com/bu7ffnh
http://store.pinchapenny.com/product...llaneous-Pool-
Systems-Water-Wand-Cartridge-Cleaner-75320093


The interior vent allow air that gets in from other sources to get out.
In a perfect world you wouldn't ever get air in the system but it
happens (hooking up the vacuum etc).

Ah, I see. I guess it lets air go to the top instead of collecting in the
bottom (I guess).