• GBD videos on vimeo
  • subscribe : rss feed
  • Tags

    Tag Archives for Colorimeter

    Tag. You’re it.

    Hanna Checker Ups Resolution with HI736 Ultra Low Range Model

    Hanna Instruments has rolled out a new “Phosphate” Colorimeter that will make many Acropora lovers happy. Their new Checker HI736 ULR model reads traces of phosphorus to the parts-per-billion, or PPB. Yes, that’s 1/1,000th of a PPM. And best of all the Checker HI736 ULR (Phosphorus) is priced the same as the HI 713 (Phosphate) [...]

    New $40 Hanna Checker PO4 Colorimeter Works with Saltwater

    Hanna Instruments has recently come out with their new sub $50 Checker phosphate (PO4) colorimeter. It has yet to make much of a splash in the marine aquaria world, but we have a feeling that will soon change after Hanna confirmed with us that this colorimeter will work with saltwater water samples. Hanna Checker Colorimeter: [...]