Compounding the health issues, sodium hydroxide is soluble when it comes into contact with water, so the pair could be left with burnt lips, mouth, oesophagus and stomach.

Source: https://www.mirror.co.uk/news/world-news/health-ministers-wife-friend-hospitalised-31308998

Instead, the "sperm-swim" switch they are targeting is a cellular signalling protein called soluble adenylyl cyclase or sAC.

Source: https://www.bbc.co.uk/news/health-64635446?at_medium=RSS&at_campaign=KARANGA

Struvite can, however, be created by chemical engineers from solid wastes or wastewater as a fertilizer with slow-release potential because most of it is not water soluble.

Source: https://talkbusiness.net/2023/03/researchers-in-arkansas-searching-for-fertilizer-alternatives/?utm_source=rss&utm_medium=rss&utm_campaign=researchers-in-arkansas-searching-for-fertilizer-alternatives

Texture-adding ingredients like soluble corn fiber and vegetable glycerin are meant to make up for the smaller amount of cream, but they ended up creating an oil slick on tasters’ palates.

Source: https://www.pressherald.com/2023/07/09/whats-the-best-vanilla-ice-cream-we-tried-13-popular-brands/

When consumers use the recommended amounts of coffee and water, soluble coffee appears to be the most environmentally friendly option.

Source: https://theshillongtimes.com/2023/01/08/this-is-how-your-cup-of-coffee-contributes-to-climate-change/