How to clean detergent dispenser in LG washing machine

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LG 3891ER2003A Liquid Detergent Container Assembly, Light Blue. For use with the following LG Electronics F1201FD, F1305FDM, WM2233HD, WM2233HS, WM2688HNM, WM3677HW, WM2277HW, WM2455HW, WM2487HWM, ...