Add to Cart Compare Quick view Bluelab Combo Meter Bluelab MSRP: $308.00 Now: $244.95 Was: It's all you need for simple and reliable crop management and it's all within arm's reach! The Bluelab Combo Meter is a conductivity, pH and temperature meter all in one. The Bluelab pH Probe and the Bluelab Conductivity/Temperature Probe are simply... MSRP: $308.00 Now: $244.95 Was: Add to Cart Compare Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: $308.00 Now: $244.95 Was: Subtotal: Add to Cart