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Old 01-03-2013, 08:29 PM   #21
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Yes, I check the temp and stir every 15 minutes.
Also, I recently moved away from spring water and started using RO water with calcium chloride and gypsum additions (which seamed to help by a few points).
I recently started using RO water with the same mineral additions you mentioned. It didn't help my efficiency any, but it did improve the taste of my lighter beers quite a bit.


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Old 01-03-2013, 10:05 PM   #22
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Helibrewer... are you saying I will have better efficiency using a high ratio? I.e. If I use 1:1.50 (lb grain:qt of water ratio) rater than 1:1, or 1:1.25? I've never gone over 1:1.25 but it sounds like the higher ratio I go, the more efficiency I will get from your post. This is all new to me so I guess I thought the lower ratio (1:1 for example) would generate better efficiency... sounds like I've been backwards on that... I will be getting a new mill, or having it crushed at the LHBS to get the crush sorted out for now, but it sounds like I need to also increase the ratio...


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Old 01-04-2013, 01:52 AM   #23
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Are you batch sparging? At those temps stated (190-200) I hope so. Are you stirring after you add your sparge water and letting it sit for 5ish minutes? Maybe you're leaving a lot of sugar behind in the grains.

If you're not batch sparging, then 35 minutes might be kind of quick? See if you can slow your sparge down maybe. Other than that, like everyone else has said check your grain crush size.
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Old 01-04-2013, 02:03 AM   #24
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I am fly sparging. Mash temp at 152-154 for 60 mins, then add sparge water after an hour. Sparge temp ranges from 190-200 as I am heating the sparge water in a separate vessel. I try to keep it at 190 but sometimes it will peak to no more than 200.
I only stir once I start the mash (add strike water and grains, stir then let sit.) Should I stir the grain bed while sparging?
Again, I thought that I should never disturb the grain bed after I get my mash temp... Thanks to everyone again... still confused about the stirring piece... is this one of those arguments like using buckets vs carboys - lol
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Old 01-04-2013, 02:04 AM   #25
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Sparging takes me about 30 mins. I can slow that down a bit... Should I sparge for 45 or 60 mins rather than 35?
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Old 01-04-2013, 02:04 AM   #26
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Quote:
Originally Posted by Komocabo View Post
Helibrewer... are you saying I will have better efficiency using a high ratio? I.e. If I use 1:1.50 (lb grain:qt of water ratio) rater than 1:1, or 1:1.25? I've never gone over 1:1.25 but it sounds like the higher ratio I go, the more efficiency I will get from your post. This is all new to me so I guess I thought the lower ratio (1:1 for example) would generate better efficiency... sounds like I've been backwards on that... I will be getting a new mill, or having it crushed at the LHBS to get the crush sorted out for now, but it sounds like I need to also increase the ratio...
No, my illustration was just to show that there is a maximum theorectical extraction that can be determined for any given ratio and that with the proper crush and temperature control you should be able to achieve about 95% of that theoretical maximum. If you can, then you know any efficiency issues are occuring downstream of your mash...and it's very easy to get a gravity sample from the MLT prior to sparging.
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Old 01-04-2013, 02:07 AM   #27
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Sparging takes me about 30 mins. I can slow that down a bit... Should I sparge for 45 or 60 mins rather than 35?
My fly sparges take about 50-60 minutes
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Old 01-04-2013, 02:07 AM   #28
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Here's my plan after all of your help:
-buy a grain mill and set it to 0.035
-increase my ratio to 1:1.50 for the strike water
-sparge for 45 mins (fly sparge)

Any other thoughts?
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Old 01-04-2013, 02:12 AM   #29
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If you are mashing 1:1 your theoretical max extraction would be 1.110
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Old 01-04-2013, 03:07 AM   #30
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Helibrewer. What ratio do you go with. Do you fly sparge?


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