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You want 35 ppm of CYA in your 17,000 gallon pool If the liquid CYA was 100% CYA (which it is not) you would need 0.6 gallons to get to 35 ppm, just by math. Use dry CYA. Liquid is a little easier, but a LOT more expensive.

I will admit the carrying case is nice, but I switched to a Milwaukee pack out instead. Specifically the 48-22-8430...

I have three testing cylinders - with caps. The first thing I do is measure out equal amounts of CYA test regent and water in two of the cylinders, and then pour one into the other, cap it and shake. Then I let it sit while I do my other tests. Finally I give it an other shake and do the...

I always measure mine for my hot tub. Often I am adding one ounce. It cannot be eyeballed. I take an 8oz marked cup, fill it with about 5 oz of water, and then add an ounce of acid.

Cooking salt is better (maybe) when it has impurities in it. Minerals, other salts, volcanic ash, dirt, whatever. It is what gives the salt flavor. When cooking, the shape of the grains also makes a difference: popcorn salt, finishing salt, flaked salt, kosher salt, etc. In a pool, on the...

Everybody else already covered how easy opening, closing, and maintaining is. I'll answer your salt strip question. Salt concentration is not quite as critical as many other measurements. You get your salt into the range that is acceptable for your SWCG and it is pretty much good to go. When...

We just sold the rental unit we owned for 10 years or so. It did not have a pool. But it has been my experience that even good renters are oblivious most of the time. Case in point: during the time my last tenants (who were excellent tenants otherwise - paid on time, were considerate, did not...

Go big or go home https://www.akvospiralift.com/akvo-solutions/residential/

When my filter died (started getting cracks in the shell) it was easier and only a little more money to buy a filter & pump combo, then just a filter. I kept the old pump. Honestly I have never tried to mate it to the new filter, and likely the hassle and cost of the frankenplumbing that would...

The vac head is fine. It is not the one I would use (a brush model brushes, as well has less of a chance of sucking to the floor) but it is fine to use To help us figure out your vac issues, please tell us how your pool is configured and what you are doing to set up your vac You may also...

I once smacked my wife between the eyes with a 400 degree F sheet pan straight from the oven - maybe I can't be trusted with boiling water.

Dry acid may be harmful to your spa, or more specifically your heater. It may plate out sulfates onto it - maybe. I still have not seen conclusive evidence one way or the other. Just a lot of conjecture. For the same reason it is not good for salt cells either. I have a bucket and a half of dry...

Take a cup of water. Sprinkle some flour lightly on top (or any other lightweight floating substance). Put a drop of dishwashing liquid in the middle. Watch the floating stuff get pushed to the edge. Makes it easier to skim - but now you have soap in your pool. Just skim the pool. If you...

In addition to the listed strength, keep in mind the strength of bleach degrades over time, at a rate that depends on the storage conditions. (heat and sun degrade it faster) There are ways to read the date codes on the bottle to determine how old the bleach you are buying is. For now though...

In the long run the cost difference between a pool with a salt water chlorine generator (SWCG) and a pool using bleach (liquid chlorine) is pretty minimal. With a SWGC you have to buy the entire unit, pay for the electricity to run it, and eventually you have to replace the generator cell in...

Somebody else also had a good one about pool care being like taking care of your teeth. If you do the required regular stuff - flossing and brushing - you likely will have no issues. If you ignore your teeth, or do the incorrect stuff, you will then have root canals, fillings, etc. Do the...

I was going to say the same thing right off. Total Chlorine is made up of Free Chlorine and Combine Chloramines. Total cannot be less than Free. The fact that he reported this to the OP means either he didn't catch it and his tests are just that inaccurate, or that he straight up does not know...

When I looked at it about 2 years ago, it was a wash as well. As others have said, now that I have had it, I would pay double the price just for the convenience it gives me. Getting liquid chlorine was not that big of a hassle for me, I am at Wal*Mart, Home Depot, or in the pool store area...

I have a 17,000 gallon pool as well. Rough rule of thumb - my old quart Nalgene bottle, almost up to the lip, will raise FC by 1.0 ppm with bargain brand bleach. 12.5% liquid from a pool store is more around the 2.0 ppm that MIT Beta describes. I opened my pool this year with quite a bit of...

That is the answer right there. Is there a downside to having one - aside from complexity or cost. In my opinion, a good contractor would tell you - I really don't think you need one, but adding one is not going to hurt anything, but it will cost you an extra $150 (or whatever it is) I do...

A salt water pool is going to generate chlorine at maintenance levels. Even at "shock" settings it is not going to generate enough to chlorine to really get the pool going. A salt water pool is also not going to adjust pH, Total Alkalinity, CYA, or Calcium Hardness - it is just going to add...

I look at it this way. When your pool builder built your pool, he told you he was going to build you a plaster pool and he likely talked to you about what kind of finish you want on the plaster. He did not talk to you about gunite vs shotcrete, he did not talk to you about rebar spacing, or...

You can also try putting SlimeBags / Polishing bags on your returns for a while to capture the rogue DE.

I have an aluminum one. It does not have that sort of locking mechanism. There is an eccentric cam on the end of the inside pole. When you screw down the collar it locks. It came with the house 8 years ago and is still going strong.

I do it all the time. As long as you go slow and don't thrash about you don't kick anything up.

I would get that sort of stuff every so often. I believe ti is either dead algae or pollen (or both). The reason I think it may no be algae is because my chlorine consumption does not changed, and my CC never went above 0. It also only appears early in the season (when the trees are blooming...

I just dump it in, and then brush it around with my pool brush to get it dissolved. Takes less than 5 minutes of brushing the pile back and forth to get a 40lb bag dissolved (depending on water temp)

Not at all. It's just salt. I mean if you went crazy and ran it up to ocean levels, then sure it might have some impact, but at regular salt pool levels of 3,000 ppm give or take, it does not do anything. As was said, a salt pool IS a chlorine pool. If you add X amount of bleach a day to...

There are two things (generally) that lower your FC - sunlight, and organic material in the water. The point of the OCLT is that there is no sunlight, so if your FC goes down, it is due to organic material. If your OCLT starts or end when the sun is up, then you have not eliminated the effects...

You hit on some of the most common misconceptions about pools and pool care. Chlorine is not harsh. Bleach is not harsh. Unless you have very sensitive skin, the chlorine in a pool is not going to bother you. Or let me amend that. The CORRECT level of chlorine in a pool is not going to harm...