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Each bar covers a 2' x 4' area
Bloom also contains potassium
In gardens and greenhouses
Polymer lenses safeguard eyes against UV and IR
The Re-Entry Interval (REI) also known as restricted entry interval or re-entry time
HM Digital HM-500 Continuous pH/EC/TDS/Temp Monitor Carbon Filter & Fan Exhaust Kits Each bar covers a 2'The HM 500 is the most versatile continuous monitor indicating EC TDS, pH, and Temp providing accurate and stable readings. With its rechargeable battery this unit is portable or can be wall mounted. To make it even more user friendly, it comes equipped with a touch screen, high and low alarm set points, and recorded readings. It is ideal for hydroponics and other applications such as labs, pools, aquariums, etc. Tests pH at a range of 0 pH 14 pH,
