GH MaxiGro 16 lb

General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced growers prefer our pH Test Kit to expensive electronic meters because of its reliability and ease of use, which are important factors when the health of a valuable crop is at stake. Use 3 drops per 5ml of solution.

Cal-Mag™ Plus is a highly fortified calcium, magnesium and iron plant supplement formulated to correct common deficiencies. Supplementing your preferred nutrient program with Cal-Mag™ Plus is strongly recommended when using reverse osmosis water and when growing in coco coir-based medias to compensate for natural calcium draw. Cal-Mag™ Plus can also be applied as a foliar spray to further enhance growth.

"When used in combination with your preferred plant food, Liquid Karma may enhance the nutritional environment allowing for optimal plant uptake. This dynamic plant food is one of the most versatile products in our line. Liquid Karma supports vegetative growth during the early stages of plant life. Its low nitrogen, phosphorous and potassium content allows it to be used for plant starts, cuttings, seedlings and mother plants. Liquid Karma may enhance the nutritional environment, aiding with root development and nutrient uptake which allows for vibrant foliage, fruit and bud sites."

• Formulated with an advanced wetting agent and optimized wool structure.
• New density and hydrophilic technology improve water distribution and root development.
• Delivers consistent results for indoor and greenhouse commercial grows.
• Optimal fiber structure ensures crop uniformity and even water content (WC) and electrical conductivity (EC) distribution.
• Enables efficient and sustainable use of the entire substrate volume.
• Supports a well-defined root system for higher water and nutrient uptake.
• Dimensions: 6 x 6 x 6 in (15.25 x 15.25 x 15.25 cm).