Target Temperature: 18 - 21^oC
Target CF: Depends on your water hardness and stage of growth
Target pH: 5.5 - 6.5 (ideally 6)

Monitor your nutrient pH, CF & temperature 24 hours a day with Bluelab Guardian. All readings are live!

You'll know exactly when to tweak your feed - Simply set your target pH, CF & temperature. Any readings that are off targets will flash!

Your settings are saved if power is lost. Better yert, no calibration's needed for your CF or temperature. To calibrate your pH, there's one simple button.

Get your temperature, pH and CF right to boost nutrient uptake, enhance growth and improve root health.

Mount it on a wall or hang it on a support bar, it's up to you. Either way, it's easy to set and easy to read with simple push buttons and ultra large LCD display. A quick look at the monitor is all it takes.

€¢ Monitors CF, pH & nutrient temperature
€¢ 12 month warranty included
€¢ Large LCD display that's plant safe
€¢ Adjustable brightness
€¢ Visual alarm for high and low readings
€¢ High tolerance to RF/electronic interference
€¢ No calibration needed for conductivity or temperature
€¢ Water resistant design
€¢ Simple push button pH calibration
€¢ Replaceable double junction pH probe
€¢ Settings saved if power is lost