Plant it to grow Sink. Punch to wash your hands! Be clean, please. As of this item, Growtopia now includes everything but the kitchen sink (this is the bathroom sink, unfortunately).
Sink Seed price in Growtopia: sells for about 20/WL (median of 2 offers from community Discords, past 30 days). Live price chart and the latest buy and sell offers.
Recently sold at: TMBSS