Advice 20 gallon mixer

Hi, I'm looking to purchase a variable speed mixer for my 20 gallon tank to make shampoo. The tank was supplied with a low torque motor which cant handle speeds above 200rpm (the supplier doesn't have any recommendations, wont buy there again). Any advice on a supplier is highly appreciated. 


  • If you only plan to make shampoo, do you need higher rpm? don't you want to keep low speeds to avoid foaming? or is this a vacuum tank
  • chemicalmattchemicalmatt Member, Professional Chemist
    You need a geared-drive motor, not direct drive, and 1.5hp minimum.
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