You could try citric acid. 1/8 t to 1 1/4 c water.
3a (Corkicelli), highlighted, fine, low porosity
SE PA

HGs: Anything Sevi; Curly Kinks Satin Roots, Curlycue ReNew and Coil Jam; homemade FSG and okra gel; soap bars; UFD Curly Magic (now Hello Curly Curl Stimulater); Botanical Spirits Jellies, CJ Repair Me, Aloe Fix