On Wed, 07 May 2014 09:15:07 -0700, trader_4 wrote:

They have rubber expansion plugs that you can
get online or at a pool sto

http://www.poolsupplyunlimited.com/1...FZNlOgodm00AhA

I like those expansion plugs, as they should be easier to remove
than would be a tennis ball.

But, I think, since my skimmers are not connected to the pool
drain, I think I simply need to block the wall drains, one of
which is shown in this photo of the deep end:
https://farm3.staticflickr.com/2923/...5de0d034_b.jpg