Does anyone know of a way to put calibrated (pints?) lines on an acid jug?

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Chuckiechan

Well-known member
Jun 10, 2014
619
Roseville, CA
I use very little acid, (30% stuff), so it is easy to go over. Basically one pint +/- a few ounces takes my from 7.8 to 7.4 depending on my wrist action. I'd like to be more accurate without pouring it into another marked container.
I was thinking tape that could be stuck to a new bottle, but I'm not finding anything.
Ideas? Acid jokes? :)...
Thanks in advance!
 
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mknauss said:
This is not TFPC recommended. Please do not handle acid twice. See Acid - Further Reading
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yeah, I have in-floor cleaning system, no return jets. I'd have to constantly move around the pool to catch in-floor valve that's actually blowing. Damping the acid in one place and brushing... I don't know about it sitting on plaster while I am slowly pouring it and I don't always have time to properly brush and redistribute. If there is a better way to do it, I'd like to know, but so far I have not found anything that works well.
 
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For a hot tub, I can see needing to be very accurate with the acid, but for a pool, you should not need a lot of accuracy.

Maybe you are using acid when it is really not necessary?

Or, maybe just use half the amount and test before adding again.

For a hot tub, I would pour into a plastic cup to be accurate.

For a pool, it should not be necessary.
 
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JamesW said:
For a hot tub, I can see needing to be very accurate with the acid, but for a pool, you should not need a lot of accuracy.

Maybe you are using acid when it is really not necessary?

Or, maybe just use half the amount and test before adding again.

For a hot tub, I would pour into a plastic cup to be accurate.

For a pool, it should not be necessary.
Click to expand...
I always measure mine for my hot tub. Often I am adding one ounce. It cannot be eyeballed. I take an 8oz marked cup, fill it with about 5 oz of water, and then add an ounce of acid.
 

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