Real time help appreciated-
I have a plunger valve going into a DE filter on my 35K gallon pool. The only way I have to pump water to waste is to pull the plunger valve and backwash the filter to waste. Can I backwash to waste for a few hours to drain the pool to accommodate a partial refill to lower my CYA? Should I remove the DE grids or does it matter?
Assuming this is safe I'm going to start a drain/refill this afternoon. Going to use the main drain and a vacuum hose with the understanding that once I start draining I can't stop because I can't let the pump loose prime.
If it's not safe I'm going back to the drawing board... can remove the plunger and use a few of these to stop up the plumbing in the right places?http://www.homedepot.com/p/Oatey-2-i...3401/100346775
Trying to avoid a sump pump. The pool is going to be remodeled this fall and I'm going to make sure I have the ability to vacuum/pump to waste on the new pluming design.