"Not sure testing powders would do them any justice, though. Since they are tested in cold/cool water at 75°F, most powders would not perform nearly as well as liquids at that given temp. If they were tested in warm or hot, that’s were the power comes out."
Perhaps true for USA offerings, but powder detergents across pond have been formulated to perform at temps low as 20 degrees C.
Am speaking of TOL offerings by Henkel, Unilever and others including those from commercial/industrial laundry suppliers.
https://www.germanfoods.shop/Persil-Professional-Universal-Laundry-Powder-Detergent-130-Loads
Perhaps true for USA offerings, but powder detergents across pond have been formulated to perform at temps low as 20 degrees C.
Am speaking of TOL offerings by Henkel, Unilever and others including those from commercial/industrial laundry suppliers.
https://www.germanfoods.shop/Persil-Professional-Universal-Laundry-Powder-Detergent-130-Loads