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 | Hanna 1413 uS-CM Calibration Solution -- 16 ozTDS solution are produced with high-quality potassium chloride in various concentrations. They are standardized using a conductivity meter calibrated with NIST potassium chloride. The 1413 ?S/cm solution is the one best suited for general use. This solution...Only $18.20 |
 | Hanna Grochek TDS Monitor Model HI983301NThese state-of-the-art meters have been engineered with a host of features suited to the aggressive environments commonly found in agricultural applications; housings and cable connections have been sealed against vapor and humidity. With a 12 volt DC...Only $86.19 |
 | Rapitest Digital Moisture Meter by Luster LeafThe Rapitest Digital Moisture Meter model #1825 tests for moisture at the roots - where it matters - you no longer risk over watering a healthy plant just because the soil near the surface is dry or under-watering because it appears moist. Ideal for houseplants,...Only $10.53 |
 | Rapitest Digital Soil PH Meter Model 1845 by Luster LeafPlants need the correct pH level which controls how well plants utilize the nutrients available in your soil. All plants have a pH preference, so it is important to know the pH level of your soil. You can choose plants with the same pH preferences, avoid...Only $11.93 |
 | Rapitest Digital Plus Soil pH Meter model 1847 by Luster LeafThe Rapitest® Digital Plus Soil pH Meter is programmed with plant pH preferences for over 400 fruits, vegetables, grasses and landscape plants. The meter's numeric format is easy to read. All results are displayed on the digital LCD screen, ranging...Only $23.94 |
 | Dr. Earth Tomato, Veggie & Herb Fertilizer 12 lbs...Only $16.44 |
 | Dr. Earth All Purpose Fertilizer 12 lbsA superior blend of fish bone meal, feather meal, alfalfa meal, mined potassium sulfate, phosphate, seaweed extract, and PRO-BIOTIC seven champion strains of beneficial soil microbes plus Ecto and Endo Mycorrhizae.Only $16.44 |
 | Dr. Earth Bud & Bloom Booster 25 lbsA superior blend of fish bone meal, feather meal, mined potassium sulfate, alfalfa meal, kelp meal, seaweed extract, and PRO-BIOTIC seven champion strains of beneficial soil microbes plus Ecto and Endo Mycorrhizae.Only $26.49 |
 | Dr. Earth Bone Meal 2.5 lbsThe Dr. Earth product line is no longer available, please check out Grow More Bone Meal as comparable alternative. Bone Meal Infused with seven strains of beneficial soil microbes. An excellent source of organic phosphorous and calcium. Contains Dr. Earth...Only $5.97 |