Pure acid ka sab se bada feature iski tezi hai. Yeh satah par girtay hi reaction shuru kar deta hai. Yeh toilet ki jami hui purani mail, peelahat, aur sakht se sakht khare paani (hard water) ke jame hue nishanat ko seconds mein ukhadh deta hai.
Agar pipe ke andar baal (hair), sabun, ya koi organic kachra phansa ho, to pure acid use gala kar pighla deta hai, jis se block hua pipe khul jata hai