Lab Digital Refractometer - Salinity spl_nextlight this air pump features a

this air pump features a special mechanism that reduces noise to a minimum

ECTestr High

the products are offered at highly competitive prices

Twister T4 Trim Saver 6" Vacuum Hose

Mix the slurry very well each time(spores will settle if no consistent water movement) prior to dunking/swiping the root zone a quarter inch to a half inch of the rockwool/starter cubes

Lab Digital Refractometer - Salinity spl_nextlight this air pump features aMeasure concentrations in brix, salinity, refractive index and clinical parameters with full scale accuracy of 0. 1% using CCD scanner (linear scanned array imaging) technology. Simple to use. All models calibrate to distilled water and require a sample of only 0. 4 ml. Instantly displays temperature in addition to multiple scales with the unit of measure indicated on the large LCD. The sophisticated microprocessor provides automatic calibration,