HR COD Vials 0-1500 ppm (150 Count) Bio-Fertilizer This ensures uniform light across

This ensures uniform light across the surface and deep into the roots and the base of the canopy for consistent

• Innovative Cycle Timer and Sunrise/Sunset Features

the only difference being that the multi-bucket system uses a multi-output air pump

18 x V-Pot Lid Inspection Cover

Built for demanding projects

HR COD Vials 0-1500 ppm (150 Count) Bio-Fertilizer This ensures uniform light acrossHigh Range, COD vials comes in a cardboard box and contains 150 vials enough to perform up to 149 tests, and instruction book. All COD Kits require the use of a Digestor Block and the V 2000 Photometer, an A 7325 COD Photometer, or a spectrophotometer capable of accepting a 16 mm round cell. Photometers sold separately. A fresh reagent ampoule blank must be prepared for each series of tests; therefore the number of samples that can be tested with each