Pay in 4 interest-free payments of $18.50 Learn more
Ships within 48 hours · Estimated delivery Sep 20 - Sep 25
They are helpful when plants are under stress
The kit also comes with the Jump Start Windowsill Heat Mat
reservoir size of 25 gallons is sufficient for almost any set up
Most likely you have not
HM Digital COM-100 Waterproof EC/TDS/Temp Combo Meter Promote They are helpful when plantsIdeal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. The COM 100 is a professional level EC TDS meter at an unbeatable price. Measures electrical conductivity (EC), total dissolved solids (TDS), salinity and temperature. UPGRADED: Four scales: S, mS, ppm, ppt
US$ 79.99
US$ 175.00
US$ 54.99
US$ 32.00
US$ 160.00
