The Gro-Chek Combo meters measure both pH and TDS at the same time. They are supplied with professional probes specially designed for the grower. To protect your investment, the user selectable set points and the visual alarm signals provide an additional guarantee against abnormal status. The probes are submerged so that they have a real-time readout, without preparation or having to wait. Calibration at 1 or 2 points, no need for batteries, ground loop probe and much more. Uses the 1500ppm calibration solution sachets.
Return and Warranty Policy
- No returns after 30 days.
- Store credit only, no cash refunds.
- No returns on: bulbs, liquids, powders, soil, growing media, or hydroponic
- Items returned within 30 days, in new condition and original packaging, subject to
15% restocking fee.
- Defective products will be warrantied when received within 30 days of purchase.
- Warrantied products will be replaced, no refunds or exchanges.
- After 30 days no warranties on: air pumps, water pumps, fans, fluorescent bulbs,
timers, thermometers, light hangers, or microscopes.
*After 30 days warranty fees may apply
**A $10 fee applies to all in-store warranty repairs.
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