What is Reddit's opinion of BOKYWOX 110-120V 3/4'',3-Speed Food Grade Domestic Circulation Pump Hot Water Circulator Circulating Pump (RS15-6SG)?

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Ah, that changes the game a bit. With multiple in parallel, make sure to get enough flow to build the pressure needed to blast to the top of the bottles. That will determine on number of orifices and diameter of the orifices. If you have made something similar in number and diameter to fastwasher, they use 530gph. The bayite is about 60gph - barely a trickle in 12 bottles. The original pump that I reviewed above is only 300 gph, still not close.

This one will cover you on high speed, and it's rated to 100C. Can't recommend it but it checks the boxes and is sub $100.

https://www.amazon.com/BOKYWOX-Domestic-Circulation-Circulator-Stainless/dp/B072M9C7X7