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Get a large cartridge filter. The CCP520 is excellent.

Are you continuing to add drops until there's no additional color change? This is usually ~3 more drops after the initial color change. Add enough CYA to achieve 30-40. What's your CYA target for the summer months?

A consistent background is key. To get good backlighting, hold the block in front of your computer monitor/tablet/phone with a blank white screen displayed. Also, try holding the block sideways or upside down. Sometimes that helps distinguish colors better. I also use two old hotel keycards to...

What specific test kit are you using? Assuming a recommended kit: pH test in invalid with FC > 10. Are you continuing to add drops until there's no additional color change? This is usually ~3 more drops after the initial color change. TA of 50 is perfectly fine. Since you have a heater...

Yes. You can seal and abandon the main drain, it simply isn't needed. Would be better if you had two skimmers though.

She won't be that tall for very long. :) You have a ledge for playing in shallow water. Go with a 4' shallow end. You may consider an aerator if that's your goal. Instead of a narrow stream of water, install a device that creates lots of small droplets. Get the 3 hp pump. It's more...

You skimmer has to be connected to a suction line leading to a pump, otherwise it wouldn't work. This doesn't make sense. Post some pics of your equipment pad. The term "return" means the piping on the pressure side of your system returning water from your equipment pad to your pool.

3' is **way** too shallow. Go with 4' in the shallow end. 5.5' is a bit too deep for people to stand comfortably. I'd suggest 5' for the "deep" part. (I have a 4'-5'-4' pool and those depths work great.) You'll likely use these far less often than you think. You may consider deleting them...

Maintain your CSI between zero and -0.3 and you'll have minimal to no buildup with your new cell. Acid cleaning should be a last resort. Ideally, you should never clean the cell during its lifespan. Under normal circumstances, a non-trichlor pool should never need baking soda. Should be...

Trichlor tabs are very acidic. You don't want acidic water entering your system, especially if you don't operate 24/7. The tabs would create a low pH/high chlorine mixture in your skimmer and pipes. I would **highly** recommend a SWCG, especially with a 40k gallon pool in our area. It's by...

My fill line is managed by my irrigation controller as a zone. Very simple, reliable, inexpensive, and easy to repair if needed. Gives complete control over your fill line.

Some SLAMs take many days. The key now is maintaining the SLAM until you meet all three exit criteria (no shortcuts). What's your CYA? What FC did you have before the SLAM?

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I have a large cartridge filter and use hairnets in the skimmers which catch the vast majority of debris before it gets to the filter. Are you confident your filter is configured correctly with no internal failures? What specific test kit are you using? Keep running 24/7 to allow your...

We have bad pollen here in March, so I sympathize with your situation. Disposable hairnets in the skimmers help immensely. Yikes. I have no idea why Florida builders love comically small filters. (I clean my filters once every 12-18 months.) How much pressure rise are you observing?

I would highly recommend getting one. It makes testing faster, easier, more accurate, and enjoyable. I would consider it almost mandatory. Pass an OCLT before increasing your CYA to that level. 60-70 would work for your climate. Great. (y)

Get a SWCG and never look back. :)

With a single speed pump, you probably want to minimize run time to save electricity. The iChlor 30 will generate 1 lb/day of chlorine. 7 hours of runtime with your SWCG at 90% will generate ~4 ppm FC, which is typical daily FC demand. Your FC demand will be higher in the peak of summer and...

Great kit. Do you have a SpeedStir? Every 2 lbs will increase your CYA ~10. You probably began with close to zero. What's your CYA endstate target? Don't. It just adds confusion and misinformation. Did you add any copper products to your water? Good choice. You have an excellent test kit.

ProTuff is excellent quality and well worth the money. https://www.amazon.com/ProTuff-Pool-Brush-Head-for-Inground-Pools/dp/B08WT88F69/

Or install a 3-way diverter there so you can vacuum to waste or quickly pump water out of the pool.

Keep going until the color doesn't change any more. If a drop of reagent makes it "more red", then count the drop and continue the test. If a drop of reagent results in no change, then do not count the drop and the test is complete.

Are you continuing to add drops until there's no additional color change? For me, it typically takes another ~3 drops after the color begins to change until I reach test completion. What's the TA and CH of your fill water?

Add that to your signature when able.

Do you have a SpeedStir? How are you chlorinating? Yes. You should never need to add anything to raise pH unless you have very unusual circumstances. With a TA of 80, your pH will likely stabilize in the high 7s, which is fine.

You'll love it. Makes testing much faster, easier, and enjoyable. It's almost mandatory. Yes, much easier. SWCG is by far the cheapest, easiest, and most convenient way to chlorinate. There is an upfront cost, but the overall cost of chlorination is significantly less with a SWCG. Good...

Do you have a SpeedStir? Minimum recommended CH for a plaster pool is 250. Unless you have high CH fill water, add a little calcium. Keep your FC higher than that. For CYA 70, target FC is 8-10. Stay far away from minimum FC. Have you considered a SWCG?

What specific test kit are you using? 70 is on the high side for LC pools, but it's manageable for a couple months. CYA degrades slowly over time, and by summer your CYA will be ~50, which is great for your area. I personally wouldn't bother with a drain and fill, and definitely don't add any...

I had a Liquidator at my previous pool. You're going to love the SWCG. You probably have quite a bit of salt in your water already. Measure with a K-1766 before you add any salt. For specific products, Diamond Crystal Solar Naturals is a great choice. Yes. You still have a chlorine pool...