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Thread: Need Advice - New to TFP

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    Need Advice - New to TFP

    ‘Discovered TFP this week and have spent many hours reading posts and advice. We have been here a year. I am new to pools and have had only pool supply store advice to date. Other than pH and FC, I have had little understanding of balanced chemistry. ‘Have battled black algae a couple of times and switched to dichlor recently. I’ve been told the only sure way to really combat the black algae is to resurface the pool., but I’d like to get another year out of it.

    I metal wire-scrubbed the blazes out of it about a month ago which raised the TA to 130. Lots of acid got it down, but the FC keeps getting eaten up.
    I’d like to go to borate supported chemistry, but found my CYA over 100 on last analysis. Consequently, I drained and replaced 70% of my water yesterday and today. I am waiting on my borate test strips.

    Here is a summary of past month:
    5/15 FC 2, CC 2, CH 200, CYA 45, TA 90, pH 7.4, phos 2000
    5/28 FC 0, CC 0, CH 220, CYA 90, TA 130, pH 7.4, phos 500
    6/25 FC 5, CC 5, CH 180, CYA 100, TA 70, pH 7.4, phos 2500

    So, with 70% fresh tap water and liquid chlorine adjustment to 5 this morning, here is where I am at this afternoon.
    6/27/ FC 1, CC 1, CH 140, CYA 25, TA 130, pH 7.4, phos 600

    Am I on the right track to assume that I need to adjust FC, get TA down to 50 (I forgot to shut off water softener), then get the pH back up? Does it matter if I use dry acid or muriatic acid to get the TA down?

    Should I use dichlor to pick up the FC, so that I get a small bump in CYA, then start to work on the Borate when I get the test strips in a couple of days?

    Thanks for reading all this. I appreciate that you folks are here. -- dbriefly
    12,000 gal screened 15 X 33 IG pool (cutouts for lounges, plants and steps), pitted DiamondBrite 12 yrs old, 36 sq ft vertical grid DE filter, single speed 1 hp motor on a Hayward Super II pump, T-15 SWG, and a Pool Vergnuegen suction cleaner. Clearwater, FL My 70 lb. Guide Dog swims every day.

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    Casey's Avatar
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    Re: Need Advice - New to TFP

    Welcome to TFP.

    What are you using to get these test results?

    You have black algae because your CYA was very high and your FC was really low. That was an invitation to at dbriefly's pool and that is what it is doing. It's there now and the only way you can get rid of it is to SLAM that 1CC out of your pool, keep brushing til your arms fall off and keep the FC elevated until the black algae is eradicated.

    I would leave everything alone until you get over this black algae hurdle. You will find pertinent information on the SLAM here SLAMing Your Pool.

    Any questions, post back and we'll get you situated. And don't use dichlor. Use unscented bleach. You're CYA is good where it's at right now.
    I'd bet you my bikini you'll never get TFP water from a pool store!

    24' Sharkline Venture De Filter

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    Re: Need Advice - New to TFP

    Thanks for the quick reply, Casey. Those testing figures are from the pool supply store. Brushing is on the twice daily agenda. I've got lots of 10% bleach. We'll keep the FC up, but with the low CYA sunlight is wiping it out very quickly.
    12,000 gal screened 15 X 33 IG pool (cutouts for lounges, plants and steps), pitted DiamondBrite 12 yrs old, 36 sq ft vertical grid DE filter, single speed 1 hp motor on a Hayward Super II pump, T-15 SWG, and a Pool Vergnuegen suction cleaner. Clearwater, FL My 70 lb. Guide Dog swims every day.

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    Casey's Avatar
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    Re: Need Advice - New to TFP

    Add more CYA using the sock method in front of the return or use the dichlor and be very careful not to over shoot it. Too much CYA and you'll be back to draining more water off the pool.

    You should consider your own test kit found here Test Kit Comparison
    I'd bet you my bikini you'll never get TFP water from a pool store!

    24' Sharkline Venture De Filter

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    Re: Need Advice - New to TFP

    OK, 'just got the TFT 100 test kit. Here is the current situation.

    FC 10, TC 10.5, CH 250, TA 120, CYA 0, pH 7.2.

    You can see I have been keeping FC up for the Black Algae, which appears to be gone. I am going to put the sock w/ 3 lbs of CYA in it tonight. I hope to get the borate in over the weekend. Do I need to get the TA down before I put the borax in?

    dbriefly
    12,000 gal screened 15 X 33 IG pool (cutouts for lounges, plants and steps), pitted DiamondBrite 12 yrs old, 36 sq ft vertical grid DE filter, single speed 1 hp motor on a Hayward Super II pump, T-15 SWG, and a Pool Vergnuegen suction cleaner. Clearwater, FL My 70 lb. Guide Dog swims every day.

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    Richard320's Avatar
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    Re: Need Advice - New to TFP

    Quote Originally Posted by dbriefly View Post
    OK, 'just got the TFT 100 test kit. Here is the current situation.

    FC 10, TC 10.5, CH 250, TA 120, CYA 0, pH 7.2.

    You can see I have been keeping FC up for the Black Algae, which appears to be gone. I am going to put the sock w/ 3 lbs of CYA in it tonight. I hope to get the borate in over the weekend. Do I need to get the TA down before I put the borax in?

    dbriefly
    It becomes much more difficult to lower TA after the borates have been added. http://www.troublefreepool.com/threa...ol-Why-and-How
    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: Need Advice - New to TFP

    Thanks, I appreciate that. I'll shoot for TA between 70 and 80. How long does it take to get the pH back up if I use a fountain instead of chemicals?
    12,000 gal screened 15 X 33 IG pool (cutouts for lounges, plants and steps), pitted DiamondBrite 12 yrs old, 36 sq ft vertical grid DE filter, single speed 1 hp motor on a Hayward Super II pump, T-15 SWG, and a Pool Vergnuegen suction cleaner. Clearwater, FL My 70 lb. Guide Dog swims every day.

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    Richard320's Avatar
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    Re: Need Advice - New to TFP

    That depends on how vigorously you aerate. If I run the spa full blast, I can raise the pH from 7.2 to 7.8 in about 4 hours.

    Use the search box for "aerator" and look for the threeads with pictures for some ideas.
    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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