What is Drano Professional Strength Crystals?
A. Drano Professional Strength Crystals are for slow running drains and especially good at dissolving tough Kitchen grease, fats and gunk. Drano Professional Strength Crystals use controlled heat and churning power for fast acting clearing of drain blockages. You can use Drano Professional Strength Crystals in pipes (including plastic) but DON’T use in Toilets. Drano Professional Strength Crystals generates excessive heat that can cause the vitreous china in the toilet bowl to crack. You can use this for Slow Running Drains, Bath Tub, Basin and Kitchen Sink.