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Amazon Shop: pH Test Strips, Reagent Testing Kit

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OfflineAuditory Misperception
Digital Hippy
Registered: 11/16/99
Posts: 32
Last seen: 14 years, 11 months
PH question
    #1093363 - 11/28/02 09:32 AM (15 years, 18 days ago)

I've read that it's dificult to get the ph right with hydrated lime and I don't think I have the right tools to test the ph but might.... I have an old chemistry set that has 6 different indicator solutions in it, the book only has activities where the solutions change color and you know if it's an acid or a base. The six solutions it comes with are bromocresol green, congo red, crystal violet, licorice root, neutral red, and phenol red. Anyone know of a way I can use any of these tro find out the PH of a casing? I also have a fresh/salt water fish tank test kit that will test the PH of fresh water but only between 6.0 and 7.6, so that seemed a little less promising than the old chemistry kit...



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OfflineSeussA
Error: divide byzero

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Re: PH question [Re: Auditory Misperception]
    #1093579 - 11/28/02 01:28 PM (15 years, 18 days ago)

Each of your indicators changes color at a different pH. Using them you will be able to get a rough estimate of the pH. If you have a bit of lab equipment, you can do a titration to find out the exact pH using an indicator and a buffer. I would just get some pH test strips and use them instead. They are cheap and easy to use.


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Invisibledaussaulit
Forgetful

Registered: 08/06/02
Posts: 2,894
Loc: Earth
Re: PH question [Re: Seuss]
    #1093611 - 11/28/02 01:47 PM (15 years, 18 days ago)

where can you get ph test strips from?


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Offlinecanid
irregular meat sprocket
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Re: PH question [Re: daussaulit]
    #1094286 - 11/28/02 05:46 PM (15 years, 18 days ago)

pet stores in the aquarium supply section. they are kinda high there but easy to find.


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Attn PWN hunters: If you should come across a bluing Psilocybe matching P. pellicolusa please smell it.
If you detect a scent reminiscent of Anethole (anise) please preserve a specimen or two for study and please PM me.


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Offlinehighoman
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Registered: 03/14/02
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Re: PH question [Re: canid]
    #1098347 - 11/30/02 02:09 PM (15 years, 16 days ago)

i have them strips at work. i dont know why i never stole them before. we use them for water. how would i check the casing? i know that sounds like a stupid question, but do i just stick it in the casin material?


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InvisibleNixxoN
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Registered: 11/18/02
Posts: 111
Re: PH question [Re: highoman]
    #1100748 - 12/01/02 01:05 PM (15 years, 15 days ago)

I've read that you can simply stick them in your casing once it's completly hydrated, but that can put stains on the strips so you can't accuratly tell what the pH is.


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Amazon Shop: pH Test Strips, Reagent Testing Kit

Mushrooms, Mycology and Psychedelics >> Advanced Mycology

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