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Thread: Going to ditch the chlorinater, got a couple questions

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    Going to ditch the chlorinater, got a couple questions

    Just built my first pool (startup March 2017), 14,500 gallons. Pool chemistry is excellent except my CYA is creeping up (currently at 90) due to the fact I use tabs. I've read a lot of posst and I read pool school and found the pool math site where it will tell me how much bleach to add. My question is do people add liquid bleach add daily or weekly? Do you have to test water every day and then use Pool Math to get new amount or are the calculations good for a set period of time, say a week. I figure I will need to add bleach in every day to compensate for the lack of tabs adding chlorine but trying to understand how to come up with proper amount to poor in every day. Also is it better to use grocery store bleach or try and find the stronger stuff?

    TIA for your help

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    samwestx's Avatar
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    Re: Going to ditch the chlorinater, got a couple questions

    You guessed it......you'll have to add chlorine daily......my solution to the puck is 1 backwash per week along with a couple of "waste" drains (lucky to have my pool connected to a "sprinkler" meter.....I've also kept the pucks to a minimum of 2-3 in the chlorinator just to make sure there is always chlorine in the pool......chlorine % question is answered by what the best buy is for you.....hope this helps!

    15000 gallon pool (15x30 + 7x7 sitting area), IG-Blue Pebble, Sand Filter-Hayward Pro Series, Pump-Hayward Tristar VS pump, Water Test Kit-TF 100, NEW POOL-COMPLETED ON 5/7/16, City Water w/no restriction, Dolphin M400

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    Re: Going to ditch the chlorinater, got a couple questions

    So I have to test daily and then use calculator to determine how much to add? Or after awhile do you just know pretty much how much to add and test occasionally to make sure you're on point? Also I know liquid chlorine has about double the salt as a puck (read in another thread) Any issues with that building up over time and and downsides to that.

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    Mod Squad Jimrahbe's Avatar
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    Re: Going to ditch the chlorinater, got a couple questions

    J,

    Welcome to TFP.. A Great resource for all pool owners trying to get away from using pucks...

    There are four ways to chlorinate your pool...

    1. Using chlorinated 3" pucks... We do not recommend them, and you have discovered why..
    2. Manually add Liquid Chlorine or plain Bleach on a regular basis. Usually daily or every other day.
    3. Use a Stenner pump to automatically add Liquid Chlorine or bleach.
    4. Use a Saltwater Chlorine Generator (SWCG) to convert the salt in your pool into chlorine.

    Thanks for posting,

    Jim R.
    Finished in 2015 - 17K Gal, IG, 20' x 25' Almost Rectangular Pool, Pebble finish, three rockport water falls. Pentair Equipment: EasyTouch 4, IC40 SWG, 3 HP VS Pump, CCP520 Cartridge Filter.
    TF100 with SpeedStir and SampleSizer, ColorQ Pro 7, Dolphin Premier Robot Cleaner, added Screen Logic 2, added small 3 person Caldera Spa.

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    Richard320's Avatar
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    Re: Going to ditch the chlorinater, got a couple questions

    Bleach is a daily thing, like brushing your teeth.

    Testing and plugging numbers into poolmath will also be a daily thing.... until it settles into a nice rut where you already know what it's going to say. When that happens, you'll find yourself not bothering and just dumping in the usual amount, figuring you'll test it tomorrow and make up any shortfall then. It'll just happen naturally.

    Which bleach to use is determined by price and convenience. Sometimes the weaker stuff from the grocery store or walmart will be cheaper per chlorine-ounce, sometimes the stronger stuff from the pool store. Check date codes if you run across any really good deals. Chlorine has a shelf life, so last year's leftovers may end up as just expensive salt water. Chlorine Date Code Decoder/Easy Way to Measure Strength.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Re: Going to ditch the chlorinater, got a couple questions

    Or after awhile do you just know pretty much how much to add and test occasionally to make sure you're on point?
    +1 what 320 said. Most of the pools on this forum seem to burn around 2-3 ppm daily. Use poolmath to calculate that dosage (I would use 3 ppm) and then dose every day for 2-3 days. That'll give you a good idea of your burn and you can go from there.

    I had mine pretty dialed in where I could dose every other day and stay in a good range.....it gets easy.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: Going to ditch the chlorinater, got a couple questions

    So this would work right? I show it as 10% so that's what I put in the pool math calculator?

    Smart 4x1 gal. Chlorinating Solution-1120 HD - The Home Depot

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    Richard320's Avatar
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    Re: Going to ditch the chlorinater, got a couple questions

    Quote Originally Posted by johnsonatx View Post
    So this would work right? I show it as 10% so that's what I put in the pool math calculator?

    Smart 4x1 gal. Chlorinating Solution-1120 HD - The Home Depot
    Yes. Check the date code so you don't end up buying last year's leftovers.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Re: Going to ditch the chlorinater, got a couple questions

    Many busy people regret not installing a SWG sooner.

    Yearly costs are similar between SWG and Chlorine.
    35,000 Gal. - 40x20x8 - Plaster - SWG Pentair IC 60 - Barracuda G3 Vacuum - Hayward c1750 Cartridge Filter - Blue Torrent VS 1.5hp pump - Pool is 45 years old.

    "I'd build a deck over my pool if I didn't have a SWG"

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    Re: Going to ditch the chlorinater, got a couple questions

    Quote Originally Posted by johnsonatx View Post
    Also I know liquid chlorine has about double the salt as a puck (read in another thread) Any issues with that building up over time and and downsides to that.
    No downside at all, actually there are positives. The salt content, which is still considered very low when using bleach, will make the water feel better(some say silky) and makes it easier on the eyes as it is gets closer to the salenity of the eyes. Some people even bring there salt content up to SWG levels without having a SWG for these benefits.

    One last benefit, once you decide to switch to a SWG, you will have to add less salt (=
    310 gallon Tiger River Sumatran Spa, covered, standalone, fiberglass, Bleach
    11,000 gallon in-ground plaster pool, Hayward SmartFilter 550 (cartridge), CompuPool(Hayward) T-15 SWG, Hayward Super II pump
    Taylor Test Kit K-2006C, K-1766, SampleSizer, SpeedStir, Polaris P825

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    MarkTX's Avatar
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    Re: Going to ditch the chlorinater, got a couple questions

    You will be adding bleach AT LEAST twice a week. Any less than that you are risking algae. And you do not want that. Better to add 3-4 times per week. Some add every day.
    30,000 gal free-form IG w/ spa, PebbleSheen Blue Surf, Pentair cartridge filter, Pentair 3 HP Intelliflo, extra pump that is way over-sized for weeping moss rocks, Dolphin Oasis Z5, municipal water, all built Jan-Feb 2016. TF-100, SpeedStir, Liquidator 3/8", borates. My build thread http://www.troublefreepool.com/threa...-in-Cypress-TX

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    Started liquid chlorine today, adios tablets

    With a CYA of 50 I show that I need FC target of 6-8. Per the pool calculator I added 74oz of 12.5%, waited an hour and now I'm at 6.5 FC. Obviously pool stores are in for your money but why don't they adjust FC levels per CYA levels. I mean it makes sense but neither the pool company or the stores adjust for this. Just wondering why that is. I've always heard 1-3 FC is where you want to be so I'm just having to break the internal mindset that I have that 6.5 is high =)

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    borjis's Avatar
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    Re: Going to ditch the chlorinater, got a couple questions

    Along the line of what MarkTX said, at least twice a week.

    That's actually what I do. both pools I have owned have been able to be algae free with this schedule.

    I test and add 1/2 a gallon on tuesday, then do that again on saturday. Daily doses might be best but
    this is what I do.
    16x32 IG Vinyl, 13,000 Gals. Hayward S-244T sand filter, SP2810X15 pump
    (1.5 HP motor) Raypak PR266AEN (266k btu) gas heater. TF-100 Test Kit.
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