I have
this pump. The current price is a pretty good value at its current price.
Moving forward, avoid solid forms of chlorine that will raise cya levels. Stick with liquid chlorine or a saltwater chlorine generator system.
OK thank you, I bought 12 gallons of liquid chlorine today - everything I read, including here, suggests this (crude though it might be) is a decent hammer for this algae stuff.
Also I am now seeing something that makes more sense. The
rate at which the filter clogs seems to be diminishing, that is the mass of "algae per minute" being pumped into the filter seems to be reducing.
Yesterday the system went from 10psi to 30psi in like two hours and to all intents and purposes water flow ceased, the vacuum head became stationary and the small waterfall stopped yet the pump was still running.
Today its behaving different, the vacuum head is really moving and the waterfall is fine and its about 3hrs since the last filter clean at noon.
I suspect that yesterday the vacuum was sucking up a lot of algae/debris from the
floor of the pool and that was likely quite dense. Today that has gone and its now picking up algae/debris that is much less concentrated floating freely in the water.
Before I started any of this I aggressively brushed all around the sides and floor of the pool and so I imagine a lot of debris then slowly sank to the bottom and created a lot of initial work for the filter.
The water still looks very cloudy but I imagine this will diminish as the days go by, after all I can see when I clean the filter that there's a LOT of green color coming out as I jet the filters. Also much of that initial filtering was likely stuff on the floor of the pool, not itself contributing to the cloudiness.
I'll dump more chlorine tomorrow and re-clean the the filter and resume, also the filter is 300 sq ft and the new one (getting installed Tuesday) is 420 sq ft and much easier to open and clean so I expect the whole clarity issue to start to improve. As soon as the rate of removal of algae exceeds its rate of growth, it is doomed to die.
I will post again tomorrow, thanks again for the helpful comments.
(I forgot to include some relevant info, 1. The pool vacuum head jammed, broke a few weeks ago and I never noticed for two weeks so the pool was not actually being vacuumed. 2. We had a ton of rain early this year, dumping one or two inches into the pool, that's a lot of organic debris. 3. The chlorine levels dropped because I misjudged things, assumed there were tablets in the floater when they'd already totally dissolved. I think all of these combined is what has led to the algae outburst.)
trust these guys, they know what their talking about. The SLAM process takes multiple days/weeks of daily testing and dosing multiple times per day. Almost guaranteed you cant find a pool contractor to do that.