I tried the whisk blender bottle and the contigo one with the weighted ball and feel like the weighted ball does a better job mixing. The ball has a soft coating so would probably work fine in mason jars if you want.

https://www.amazon.com/gp/aw/d/B00LX6VHM0/

u/madmaninabox42 · 2 points r/vaporents

[Bottle] (https://www.amazon.com/dp/B00LX6VHM0/ref=cm_sw_r_cp_apa_26buybH7PDB9T)

Wallpaper

u/tekgeek1 · 2 points r/soylent

I own about 12 blender type bottles 8 of them actual blender brand a couple of cheap freebee type and two contigo bottles and I like the contigo ones best. they are easier to clean and have the heavier plastic mixer ball inside.

https://www.amazon.com/Contigo-Shake-Shaker-Bottle-Carolina/dp/B00LX6VHM0/ref=sr_1_1?ie=UTF8&amp;qid=1491864733&amp;sr=8-1&amp;keywords=contigo+mixer+bottle

u/sparefilms · 1 point r/soylent

Try a Contigo brand shaker bottle, the interior has a rounded base.
Contigo 28oz Shaker Bottle

u/rokr1292 · 1 point r/EDC

I used to carry a blender bottle style bottle when I was drinking soylent for breakfast daily, it was one of these from Contigo: https://www.amazon.com/dp/B00LX6VHM0/ref=cm_sw_r_other_apa_4aGMxbZD2V04T

I got it from Walmart and snapped a carabineer on it, it was great. The bottom is rounded on the inside so there aren't corners for powder/drink mix to hide from the ball, the ball is easier to clean than the little wire ones in other blender cups, and the ball weighs more too, so it does a better job of breaking up tough clumps. I highly recommend it if it fits your needs. Walmart will usually have them in store as well

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