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Adding Magnesium to my water.

  • Finnroo
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4 months 2 weeks ago #3781 by Finnroo
Adding Magnesium to my water. was created by Finnroo
So , I have been working on my mash ph and salts for about 6 momths now and starting to understand how it all comes together. My numbers are well within spec for all but Magnesium which is very low here in chch. Im keen to add just a pinch of mag to bring it into spec, .What would you recomend. Mg is 2ppm and i need it to be 10 -30 ppm.
Im not keen on adding any sulphates etc. Any advise welcome, cheers takecare.

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4 months 2 weeks ago #3785 by Gash
Replied by Gash on topic Adding Magnesium to my water.
Epsom salts. Cheers mate, sorry had a rough day yesterday, crashed on the lounge most of the arvo! Cheers

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4 months 2 weeks ago #3786 by Gash
Replied by Gash on topic Adding Magnesium to my water.
My water is probably totally different , but I add about 5g to the mash each batch. My mash is usually 18-20L

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4 months 2 weeks ago #3787 by Finnroo
Replied by Finnroo on topic Adding Magnesium to my water.
Great, ill do that and work out on the software EZwater calculator.
Thanks ,cheers.

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4 months 2 weeks ago #3788 by Finnroo
Replied by Finnroo on topic Adding Magnesium to my water.
Also ,sorry hope you have recovered well, I know you have to manage Crones so if that was giving you trouble, takecare. Best Regards mate. Finnroo.

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4 months 2 weeks ago #3789 by Gash
Replied by Gash on topic Adding Magnesium to my water.
Yeah its being a real bitch the last month, but I'll get on top of it mate! Cheers!

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2 months 1 week ago - 2 months 1 week ago #3934 by Finnroo
Replied by Finnroo on topic Adding Magnesium to my water.
Did a Very nice brown ale last month and brewing it again tomorrow. It has 6 different malt and it was very good. When i mashed in the ph was 5.0
I want to bring it up a bit to 5.2 to 5.4 ish so have got some calcium carbonate to add to the mash. On the fly im guessing around a teaspoon to see what happens, but my question is what sort of flavour profile will it add?. eg Cacl2 adds roundness to the malt and CaSO4 adds perceived bitterness to the brew. Just trying to avoid the ol acid reflux in the middle of the night lol
Cheers take care.
PS remind me please is ph of mash taken at 20 deg or mash temp in the tun.?
Last edit: 2 months 1 week ago by Finnroo.

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2 months 6 days ago #3936 by Finnroo
Replied by Finnroo on topic Adding Magnesium to my water.
So just to answer my own question about the ph meter, it says on the inside of the box, environment 0_50 deg. So i need to take a sample out and cool it down to anywhere under 50 deg and should be fine. I will take a reading before and after cooling just to see. cheers.

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2 months 6 days ago #3937 by Finnroo
Replied by Finnroo on topic Adding Magnesium to my water.
So moving forward, mash went well. Before adding CaCO3 to my mash which already had a small teaspoon of Gypsum to ph was again 5. Added 1 small teaspoon of CaCO3 and it didnt go up so I added another one and it went up to 5.4 because i let it cool below 38degC.
So cooling sample to below 38degC gave me a good reading and next brew will only need to add one small spoonful. ( i use the ol kentucky fried chicken red plastic spoon lol)
cheers.

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2 months 6 days ago #3940 by Gash
Replied by Gash on topic Adding Magnesium to my water.
cool, sounds like it all worked out mate!

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Drunken Ramblings

Kegga - Sat 15 Jun - 22:23

Thanks drewtech ?

drewtech's Avatar drewtech - Fri 14 Jun - 22:10

I've read on other forums that screw tops are OK to use. Just need to watch out cause some commercial bottles are made from thinner glass than home brew tallies.

Kegga - Fri 14 Jun - 18:29

Hey guys probably a stupid question but are the standard screw top glass big bottles right to use?Didn't realise they were all screw tops now.Cheers

Keg - Thu 6 Jun - 21:29

Just signed up on Beer Smith 3 but cannot find Gash Robobrew profile Help ?

Gash - Mon 3 Jun - 17:40

hahaha cool mate

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