Hach DR890 - eBay (item 260228687018 end time Apr-16-08 06:20:53 PDT)
This is a good little unit that can measure most any parameter an aquarists might want with excellent accuracy.
300-500$ vs 1000$ new is not bad.
You can use the Hach reagents, standards etc also or make your own.
Regards,
Tom Barr
This is a good little unit that can measure most any parameter an aquarists might want with excellent accuracy.
300-500$ vs 1000$ new is not bad.
You can use the Hach reagents, standards etc also or make your own.
Regards,
Tom Barr