A powerful sulfuric acid.  This product is ideal for dissolving organic matter, melting heavy grease deposits and opening clogged drains. NOW! contains effective corrosion inhibitors and fast activating and penetrating agents. 

Do not use in toilets.

For professional use only.  Not for retail sale.

NOW! is for emergency use by PROFESSIONALS ONLY to open clogged lines.  NOW! Drain Opener will not harm septic systems when used as directed.