4 month old liquid chlorine

[anthony21078]

Trying to learn TFP method of using bleach and figured now is the best time to convert from pucks since I lowered the FC to zero while I treat the liner with ascorbic acid. The CYA was close to 100 so I drained the pool down to roughly 1 foot above the shallow end to play it safe.

In the meantime I went to homedepot and grabbed 6 boxes (3 gallons/box) of their HDX 10% liquid chlorine. I didn't know how to read the date until I got home but all the boxes are from 1/15/19. Home depot stores this outside and it's been cold since the label date.

Is this a bad purchase and should I return it and look elsewhere for newer stuff?

 

[kimkats]

Was it where the sun could shine on it? It should still be good due to your lower temps. You might want to set the Pool Math FC % a point or two lower if you find you are not making your FC goal. It is up to you if you want to find newer. Some areas a harder to find it than others.

 

[anthony21078]

Was it where the sun could shine on it? It should still be good due to your lower temps. You might want to set the Pool Math FC % a point or two lower if you find you are not making your FC goal. It is up to you if you want to find newer. Some areas a harder to find it than others.

All the boxes were on the third tier of a 4 tier shelf (if your familiar with how home depot is setup). I suppose the items on the 4th shelf would block direct sunlight. They store the chlorine in the garden center which has a clear roof

 

[Oly]

Use Pool Math to estimate your application rate results then confirm the FC level after an hour of application. I'm guessing the chlorine strength is fine.

 

[splashpad]

Trying to learn TFP method of using bleach and figured now is the best time to convert from pucks since I lowered the FC to zero while I treat the liner with ascorbic acid. The CYA was close to 100 so I drained the pool down to roughly 1 foot above the shallow end to play it safe.

In the meantime I went to homedepot and grabbed 6 boxes (3 gallons/box) of their HDX 10% liquid chlorine. I didn't know how to read the date until I got home but all the boxes are from 1/15/19. Home depot stores this outside and it's been cold since the label date.

Is this a bad purchase and should I return it and look elsewhere for newer stuff?

You should be fine

 

[ckwinters]

I hope it is fine because I just bought 30 gallons of the same batch in PA. Some of the hDX brand they had in stock was dated 2018 032, so I had to ask them to get the 2019 015 batch down from the highest shelf! My Hayward 3400 vsp died the same day so I can't say how good the chlorine is yet. Pump is not even a year old...good times

 

[justinc]

I had to buy some Pool Essentials 10% from Wal-Mart with a 2018 350ish date on it and have been calling it 8% when I do my calculations and it seems to be about right. Just assume it won't be full strength and add some extra to cover yourself.

 

[anthony21078]

Seeing as how I just did an abscorbic acid treatment (added 4lbs of abscorbic acid to my 22000 gallon pool) and I lowered the FC to zero with a netrulizer, it took 3 gallons of the HDX 10% 4 month old bleach to bring the FC to 3ppm

Id say its just fine

 

[justinc]

Glad to hear. Did you get your stains out?

 

[anthony21078]

My ascorbic acid adventure

Opened the pool 2 weeks ago and noticed that the liner had a lot of yellow staining on many different areas. Confirmed with vitiamin C that the stains were from iron. vitamin C in sock test Here is the order in which I proceeded Saturday 5/4/19 1)Dropped FC to almost zero with a neutralizer...

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