Catalog: Worms Way Catalog | |
| hand held plant nutrition expert the sunleaves ... tds expert plus is a highly-advanced handheld meter that measures nutrient solution ... solids tds and temperature waterproof meter features an easyto-read lcd screen auto ... for precise calibration even though the meter comes factory calibrated at 1413 micro- ... solution should be between 5.5 and 6.8 depending on the types of plants you ll ... solution at least twice a week with a hand-held ph meter hand-held meters feature ... nutrients like ph testers ec and tds meters are available in less expensive hand- ... held models and more expensive continuous- ... | |
