Hydroponics Mini KitIdeal for schools and hobbyists, this kit will measure nutrient solutions. Measures pH (4.5–8.0), nitrate nitrogen (5–200 ppm), phosphorus (3–30 ppm), and potassium (0–250 ppm). Kit and refill reagents include enough reagents for 50 tests per parameter. Packaged in sturdy foam mounted carrying case. Instructions and 75-page hydroponics handbook included. Weighs 15 lbs. Refill weighs 1 lb. |
|

Click image to view larger image |