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Old 06/13/2018, 07:25 PM   #1
JaKa_BR
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Join Date: Jun 2018
Posts: 1
Question Randy's recipe #1 - 1st approaching

Hi there,

My name's Eduardo from Brazil.

I'm trying to use the Randy's recipe number #1 but getting some trouble during the mixing.

The stuff is resting from 2 now two hours, shaken it some times during this but doesn't getting clear at all!

See(1500ml (each) container):
https://ibb.co/m8gZny

What I used (Grams and milliliters)
https://ibb.co/m8gZny https://ibb.co/deCJEd

All the calculation to have 1200ml final volume:
->158,30 grams - Calcium CaCl2.2H2O - Purest PA solution
->216,57 grams - MgSO4.7H2O + 359,7 grams - MgCl2.6H2O - Purest PA solution
->188,07 grams - NaHCO3 - ROYAL SODIUM BICARBONATE BUFFER - Royal Nature (pure NaHCO3 according to manufacturer)

Why magnesium part and alkalinity part are not dissolving properly?

ps: forgot to bake (1H @150șC) the NaHCO3 before mixing.

Please, help me !!

Thanks in advance.
E. Oliveira



Last edited by bertoni; 06/13/2018 at 10:41 PM. Reason: fixed some links
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Old 06/13/2018, 10:42 PM   #2
bertoni
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Join Date: Mar 2002
Location: Mountain View, CA, USA
Posts: 86,979

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If you heat the alkalinity solution, it'll dissolve eventually. I suspect that's the issue.

The magnesium solution usually is a bit "slushy". That's normal. It must be shaken before measuring out a dose.


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