Digital Moisture Meter
Digital results from 0 to 9.9. Printed instructions and extensive plant list...
Digital PH Controller
The Autopilot pH-1 controller accurately and reliably measures and controls the pH of any water-base..
Digital pH Meter
Digital results from 3.5 to 9.0. Instructions and plant pH preference list included...
Digital Soil Thermometer
Easy to read digital readout. Guidelines for germination and transplant temperatures included...
Dissolved Oxygen Meter
Entry level, inexpensive Dissolved Oxygen Portable Meter for fast and reliable results. The MISM600 ..
DiST 1 TDS Tester
DiSTs are rugged and reliable pocket-sized testers that offer quick and accurate readings of conduct..
DiST 5 EC/TDS Meter
When the original DiST (Dissolved Solids Tester) was first introduced, conductivity and total dissol..
Double Down   Quart
Liquid pH adjuster with proprietary formulation that offers superior pH control...
Double Down Gal
The best choice for a liquid pH adjuster..
Double Junction PH Probe for MW100
Double junction pH electrode with 1 meter ccable and gel filled electrolyte solution for all "MW" an..
Double Up   Quart
Hydroponics and soil liquid pH adjuster..
Double Up Gal
$25.87
The best choice for a liquid pH adjuster..
Earth Juice Natural Down,    .8 lb
pH adjusting crystals that will, once and for all, eliminate the hassles and worries of spilling, sp..
Earth Juice Natural Down,   1.6 lbs.
pH adjusting crystals that will, once and for all, eliminate the hassles and worries of spilling, sp..
Earth Juice Natural Down,  7.8lb
pH adjusting crystals that will, once and for all, eliminate the hassles and worries of spilling, sp..
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