pH ADJUSTING SOLUTIONS NEW! DRY FORMULA! Avoid messy liquids. Concentrated pH Acid and pH Base Solutions make these pH adjusters go a long way. Use pH Down to lower pH levels and pH Up to raise pH levels. Check pH levels daily. Water and even the plants themselves change proper pH levels. ph Down Dry-4 lbs. $19.95   pH Up Dry- 4 lbs. $19.95   Email gol194@goldcoasthydro.com If you have questions or comments, you can contact us toll free at 800.780.7371. We appreciate your patronage. ©2000 Gold Coast Hydroponics, Inc.