I’m looking to get a pH/EC and/or TDS combo meter. These are the ones I have been considering. Let me know your thoughts, opinions, and experiences. I’m open to other options as well, but want to stay under $200. Thanks!
1) Milwaukee MW803 MAX
milwaukeeinstruments.com
2) Apera PC60
aperainst.com
3) Apera GroStar GS4
aperainst.com
4) Bluelab pH and Conductivity Starter Pack
bluelab.com
1) Milwaukee MW803 MAX

Milwaukee MW803 MAX Waterproof Low Range 4-in-1 pH / EC / TDS/Temp Tester with Replaceable Probe
Milwaukee is your best source for pH, TDS, ORP testers, meters, monitors and controllers. Upgrade to Milwaukee for affordable, high performance digital measurement.

2) Apera PC60

PC60 Premium Multiparameter (pH/EC/TDS/Salinity/Temperature) Pocket Tester/Meter Kit-Apera Instruments
The Apera Instruments PC60 Multi-parameter Tester/Meter simply tests pH/EC/TDS/Salinity/Temperature for regular aqueous solutions such as hydroponics, aquaculture, pools& spas, tap/drinking water, water treatment, cooling towers, etc.

3) Apera GroStar GS4

GroStar® GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen Tester (Gen II)
GroStar™ Premium Pen Testers are designed specifically for the horticultural market. GroStar's intelligent design reduces the guesswork so you can easily manage your crops success.Features of GS1 Premium pH Pen:• Measures pH, conductivity (EC and 500ppm/700ppm) and temperature (5-in-1)•...

4) Bluelab pH and Conductivity Starter Pack

Bluelab pH and Conductivity Starter Pack
Everything you need to measure pH, conductivity and temperature Handheld design is compact and convenient The backlit display is bright and easy to read Designed for nutrient reservoirs, the Bluelab pens are waterproof and float in any solution Bluelab pH Pen Measure pH and temperature...
