Cloudy water

Welcome to TFP NanaMarie!

If I understand correctly: you had a sand filter last year, you replaced it with another and you transferred the sand from the old to the new?

Before you head to the pool store, put on your skepticism hat. If you don't have one, a few thousand of us here on TFP could you lend one! Also guard your wallet. What often happens is your water is tested in a haphazard manner and the results are used to sell you a bunch of un-necessary and overpriced products.

Our approach is to do our own quality testing at home using one or two recommended kits and add only what our pools actually need. The kits we recommend are the Taylor K2006C and the TF-100. I'm also a big fan of the SpeedStir, which makes testing the water easier and frankly more fun.
 
Taking a sample to pool place today. Thanks
My suggestion is to skip the "pool place". Their only response it to sell you something, like the floc you asked about..

We can teach you how to get it sparkling and keep it that way for a lot less money than the pool store.

Not much credence is given to pool store testing around here. While you would think that a "professional" would be the best, unfortunately in most cases it is quite the opposite. Between employees who blindly trust the word of chemical sales representatives and high school kids working in the pool store for the summer you end up with poor results from their testing. But, what can you do?? We base our pool care system on accurate testing and only adding what the pool needs, when it needs it. To do that you need your own accurate test kit.

As you are in Canada, the only kit we recommend that is available in country is a Taylor K-2006-C. But, one company has an exclusive salses contract with Taylor and they charge a lot for the kit. If you have an address south of the border order a TF100 and at least include the XL option. That will give you what you need while you are clearing the pool, and probably enough reagents for a couple of years normal use.
 

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Took readings with new Taylor test kit. After shocking pool still no chlorine registering. Test results today. FC 0 TC 1 CC 1 PH 7.2 ALK 50 Hardness 180. When I tried the test for Cyanuric Acid after using all of water sample the little black dot remained visible. Cannot see bottom of shallow end.
 
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