HM Digital Hydromaster 100 - Continuous pH/TDS/EC/Temp meterHM 100: Continuous pH EC TDS Temp Monitor The HM 100 is a pH EC TDS Temp monitor ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. Features Measures Potential Hydrogen (pH), Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity and Temperature

roots have come out of the plants for the first two weeks

under the block

MAGNUM is our high potency Magnesium/Sulfur boost that will ensure an ample supply of Magnesium and Sulfur for chlorophyll synthesis

Cultiwool 48 Cell Mini Block Sheets are sold by the case

- Virgin Activated Coal Based Carbon

All Natural

stone wool is a clean and inert product

the help of amino acids and for this reason Amino Blast helps plants

Factory Calibrated: The COM-80 meter is calibrated with a 1413 µS solution

Packaged Loose In Plastic Bag

TAKE A DEEP BREATH and BLOW IT UP

Ingredients