Switching back to tablets

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D

danny_b

0
Sep 13, 2015
31
Phoenix, AZ
Hey guys,
I've done TFP method for the the past 4 years when we bought our house with the pool. It has been good, but I have never used tablets. I'm just tired of hauling 16 gallons a month of liquid, plus acid which is about 85$ a month. Initially the stenner pump was buying time until I switched to SWG. I'm now of the starting to not want the SWG due to they drive the ph. My thinking is I already have to empty the pool every couple years due to the calc getting high. Why not feed tablets which are acidic, which is a help due to high calc and alk fill water, high evap rate, and very little rain. When the. Cya gets high, I drain and start again... Thoughts?
 
Your signature is there. If you are on a phone, turn it sideways to see it.
It is of course your choice to use trichlor. To stay within TFP levels you will need to do some math but I suspect you will need to drain about half the pool volume per month from now through September.
Or go full on pool store. Algaecide,soda ash, etc. horrible to swim in, but up to you.
 
I am not an expert like mknaus, but there are only two reasons I would use tabs. 1) if you are leaving town for a week or two and need to maintain FC levels and 2) it is an easy way to increase CYA levels (if that needs to be done), while enjoying a break from adding liquid chorine.
 
Danny,

I see nothing wrong with your plan if that is what you want to do..

But.. If you are using $85 worth of acid a month, you have something seriously wrong.. And 16 gallons of Chlorine a month in a 15K pool, none of that makes any sense to me.

I am puzzled... :scratch:

Thanks,

Jim R.
 
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1 gallon of 10% chlorine raises 15,000 gallons by 6.7 ppm.

3-4 ppm of chlorine loss a day is not excessive for Phoenix in the summer.

Liquid chlorine costs $3-$4/gallon or $48-$64/month. A few gallons of acid a month and $85 isn’t that wrong
 
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Vs6817 said:
I’m still new to this forum, but can chlorine tablets not be used in conjunction with the TFP method? I see trichlor as an option on the app so I figured it was an option, am I wrong?
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Certainly. It is all about testing and using what your pool needs. Or does not need. Remember that trichlor adds chlorine and CYA. And are very acidic.
 
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Vs6817 said:
I’m still new to this forum, but can chlorine tablets not be used in conjunction with the TFP method?
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It can totally be done. You just have to exchange a lot of water frequently so it can be expensive if the replacement water and rebalancing chemicals are expensive. People who have sand filters and do a lot of backwashing are the best canidates.
 

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How much do you expect a SWG to "drive the pH up"?? Mine certainly hasn't. I use a little muriatic acid *maybe* 2-3x a season. And my swim season is 6 months long! So one gallon per year isn't exactly gonna break my back nor wallet.

I think your info on SWGs is faulty.

Maddie :flower:
 
High TA fill water may be contributing to the TA rise. Test the pH and TA of your fill water.

You already have the SWG, so you might as well use it. Maybe throw in a tablet in each week and see how that effects the TA rise. You might be able to stretch out the CYA rise to match your CH drain/refill schedule.
 
When I lived in New England I used pucks in the pool. I did a lot of backwashes and by the time my CYA got completely out of hand, it was usually the end of the season and time to drain about half my water to winterize.

I even have a neighbor here In AZ that still uses them. He has a sand filter that he backwashes very frequently. Also any rain that falls on his roof flows directly into the pool. Even with the added rain water and frequent backwashes, he still has to do a full drain once a year.

My pool was built with a SWG, and it hasn’t been drained in about 5 years. To keep CH in check, it’s auto fill is connected to my water softener. In the spring I work to get my TA down (which helps stabilize pH). I also have added 50ppm borates (also to stabilize my pH). I run my pool maintaining a pH around 7.8. it can take several gallons of acid in the spring as I use the “acid and aerate” to lower the TA, but after that, I use little acid during the season. Its your pool and your choice, but once you have a pool with a SWG, you would never go back to any other method of chlorinating a pool. It’s just a mater of learning different methods of managing you chemical balance.
 
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I switched to a SWG because I got tired of buying tablets and having the load a feeder while it burnt my eyes.
But I used tablets until recently, liquid was great when I could get it but with a small car it’s hard to get more then 6 at a time
 
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