EH Hydra Clear - 1 Gal. - Case of 4HYDRA CLEAR POWERFUL MULTI ENZYME LINE CLEANER Easily and consistently remove buildup in feeding lines and systems with our top quality, all natural enzymatic line cleaner. WHY USE HYDRA CLEAR MULTI ENZYME LINE CLEANER? Hydra Clear powerful multi enzyme line cleaner rips through the toughest bio film buildup to ensure your next growing cycle starts clean while reducing maintenance and costly downtime. 100: 1 dilution ratio means a single bottle lasts