Purchase a Milwaukee Digital pH Meter
This Milwaukee PH55 pH meter is a must for the serious grower. Watch your plants thrive with proper water ph. Proper pH balance is achieved between 5.5 - 6.5. pH can be adjusted with common swimming pool acids. Remember all acid are dangerous! Be extremely careful when handling acids. This meter is waterproof and comes in a protection plastic case. It comes with calibrating solutions. It has a range of 0.0 - 14.0. The electrode is replaceable. Batteries are included. It has a one year manufacturer warranty.