I've got a green swamp in my yard today.
Getting ready to do battle with some serious algae in my pool, but have some questions. I've read a few posts here, including one really great sticky regarding chemical (bleach) addition, brushing, and CYA levels.
However -- I have a DE filter and I don't really have a way to circulate the pool water. Only a few moments after starting the pump, the filter gums up with the dreaded green gook and I get virtually no of water from/to the pool. The filter is configured such that actuating a lever on the side several times "bumps" the DE and restores flow (normally) -- a lame sort of backwash, I suppose. With the algae, though, the bump isn't doing much. To change the DE and clean the filter elements, I have to take apart the whole thing (about 20 nuts and bolts around the perimeter of the filter housing) -- not a quick proposition.
The way the filter is piped, there's no obvious way to bypass it and get the water circulating to move some chemicals around.
What do I do here? Drain the pool?
Even if I manage to bypass the filter to get some bleach introduced and circulated, how would I deal with vacuuming the pool without clogging the filter? I've seen the term "vacuum to waste," but I'm not sure how I'd achieve this. I can "short circuit" the filter, basically sending water from the pool, through the pump, and then out of the system (into the grass) before it passes through the filter, but I would quickly drain a bunch of water from the pool using this arrangement. Is that what I should expect?
Thanks in advance for any advice/guidance! I'm at a loss and relatively new to all of this...
DE Filter and Battling Algae
You need your filter to battle the algae. Are you sure there is no way to backwash. What kind of DE filter is it? If not you need to get a multiport valve or push/pull valve that will allow you to backwash!
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