The On Balance DJ-100-RD is a compact jewelry box-shaped digital scale that fits comfortably in the palm of your hand.

• removable cover / tray
• stainless steel base
• capacity: 100g
• measurement up to: 0.01g
• scale dimensions: 9.5 x 6.2 x 1.9cm
• base dimensions: 5.4 x 5.5cm
• weight: 72g

Bluelab pH Meter is one of the best devices on the market when speaking about measuring the pH and temperature of a nutrient solution!

• Replaceable Bluelab pH probe included
• Bluelab pH probe cable length: 2m
• Bluelab pH Meter is not waterproof but will withstand occasional water splashes. If the pH Meter is splashed, wipe dry as soon as possible!
• 5 year warantee for the device
• 6 month warantee for Bluelab pH probe

Measurement range:

• pH: 0.0 - 14.0
• temperature: 0 - 50°C / 32 - 122°F

Accuracy (at 25°C / 77°F):

• pH: ± 0.1

The On Balance Tuff-Weigh Pocket Scale Tuff-100-BK is a rugged pocket scale with an impact-resistant case with a rubber grip and a removable lid that can be used as a pan. The scale has an automatic shutdown function, overload protection and 6 weight measurement modes.

• removable cover / tray
• shockproof case with rubber grip
• capacity: 100g
• measurement up to: 0.01g
• 6 measurement modes: grams (g) , ounces (oz) , carats (ct) , grains (gn) , triple ounces (ozt) , denarius weight (dwt)
• scale dimensions: 14.2 x 8.5 x 2.4cm
• weight: 180g
• batteries: 2 x AAA ( included )

Milwaukee pH monitor MC110

pH-professional monitor for continuous use

pH-monitor for continuous monitoring of fertilizer or hydroponic solutions, aquariums and akvaponni systems, pools and more. A convenient feature for a visual indication when the pH of the solution passes set value (up or down at selection of the button). Manual calibration two fixed points - pH 4 and pH 7.

Separate binding sensor compatible with pH-monitors from other manufacturers.

Bluelab pH Probe is a replaceable probe suitable for Bluelab Combo and pH Meters, and Guardian Monitors.

• Probe cable length: 2m
• Waterproof cable joint
• 6 month warantee

• Vacuum device for attaching to the tank.
• It is not damaged by the salinity of the solutions.
• Measuring range: 0-50 ^o C.