Alternative reagent for Alk monitor, KH Director and prob others

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voooooo

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anyone using the .1N acid dumping the waste back into tank? if so, for how long, and any issues if any? thanks.
 
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KenO

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anyone using the .1N acid dumping the waste back into tank? if so, for how long, and any issues if any? thanks.
I have been doing this for a month or so on my larger setup 600 gallons. No issues. I’ve been dumping the standard GHL acid back into my 60 gallon for at least 3 months. No issues pH has been rock solid.
 

Hersheyb

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After finding this thread I also switch to the .1N acid and readings have been the same. Prior to the KHD i was using salifert alk test which is 8% higher than what my KHD reads, I simply adjust the KHD readings to 8% higher and it matches 100% now.
 
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Hi,
I'm going to switch my KH reagent for the 0.1 N HCl. For those that have done this, have you made a breather hole in the HCl container lid so that there is no vacuum created when the pump draws out reagent? Is a breather hole sufficient or should a non-return air valve be attached to the lid? Just concerned that I'll have HCl evaporating off in my sump :D
 

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Hi,
I'm going to switch my KH reagent for the 0.1 N HCl. For those that have done this, have you made a breather hole in the HCl container lid so that there is no vacuum created when the pump draws out reagent? Is a breather hole sufficient or should a non-return air valve be attached to the lid? Just concerned that I'll have HCl evaporating off in my sump :D
I just made the hole I drilled through the cap for the draw tubing large enough to allow air to enter.
 

Waynerock

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This is essentially what you're using, yes? (The 1L you linked isn't in stock at the moment.)

Also, do you send the waste back into the tank? Sounds like many people do (I do with my Alkatronic) From what I understand, only thing to worry about (if anything really) would be pH fluctuations....
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dragon99

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@dragon99,

Have you went back to .1N HCL or did you still use the KHD reagent?
Back to .1N acid from Amazon. I went ahead and got a 4L bottle this last time.

Make sure you check the label when you receive it. I spent a couple weeks trying to figure out what was wrong with my KHD before I realized Amazon had shipped me sodium hydroxide .1N instead of hydrochloric acid.
 

A3LXK

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Back to .1N acid from Amazon. I went ahead and got a 4L bottle this last time.

Make sure you check the label when you receive it. I spent a couple weeks trying to figure out what was wrong with my KHD before I realized Amazon had shipped me sodium hydroxide .1N instead of hydrochloric acid.
Thanx, i don't order at amazon. There is a compagny here in the Netherlands that sell all kind of chemicals. The got .1N HCL for about $ 3.7 per liter.
 
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