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Jun 25, 2015
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Thanks
by: Anonymous

Hi Robert and thanks for helping me out.
By the way my CYA is 30...It's my TA that is 60




Thanks for catching that one. After the 20th answered question today they sometimes blend together. Even the best will chase one low, outside, and in the dirt. CYA level of 30 is fine. Disregard the drain/refill but everything else is the same.

Robert

Jun 25, 2015
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Filter Size
by: Anonymous

One last question for today Robert...I promise.

For a 18K gallon pool, I currently have an old 48sqt DE filter. I'm thinking of upgrading it to a larger one. The price for a Pentair 60, 80, and 100 sqt Quad DE filter is pretty close to one another. Will 80 Sqt filter be too big for my pool?




For filter size, bigger is better. Not the pump motor, but the actual filter. Too many people want a 3.5HP motor with a 48 sf. filter. Never do that. For 18k gallons 80 sf. may be a bit too big but I'd say that 60 sf. would be good. It means better filtration because more surface area and less backwashing. Always get a slightly larger filter than is needed. And if you're in the market for a pump motor you'll want to consider a variable speed motor. They run less RPM and are adjustable for vacuuming, backwashing, and filtering. Less RPM means saved money on electricity.

Jun 26, 2015
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Shock
by: Anonymous

From what I gathered from your advice is that Shock = jacked up clorine level. So Homedepot and Lowes sell the little shock packages that advertise they can clear up the pool rather quickly. What are in those packages that can do more than just clorine?




This is a huge topic but the short of it is the bags of shock are nothing special. It's regular stabilized or unstabilized chlorine. Shocking a pool is something you do, not something you buy. It's maintaining the FC up to 12ppm or > until the bacteria is dead. This can be accomplished with regular grocery store bleach or liquid chlorine. I've extensively written about this topic in both of my eBooks and about the danger of using products called "shock". Using these products without knowing what they are or the side effects can lead to hundreds of wasted $$ and time.

Clear Blue Pool eBook
Clear Up A Green Pool eBook
Resources


Robert

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