What is Rockwool Horticultural Grade Rockwool is made from melted basalt, chalk and sand, basalt is a fine-grained hard rock from ancient volcanic activity. The basalt is melted and spun, almost like cotton candy, into Rockwool. Horticultural Rockwool came into being in the 1960s as an offshoot of the fiberglass industry which manufactures its product … Read more Advantages, Disadvantages of Rockwool as a Hydroponic Grow Media
Calcium is an essential plant nutrient, it is necessary for cell formation, it forms calcium pectate which helps bind cells to one another and strengthens the cell walls of plants. By maintaining cellular integrity it also helps guard against invasive fungal and bacterial diseases. It also helps protect plants against heat stress and is a … Read more Hydroponic Calcium Deficiency and Build Up
Preventing, Detecting, Treating Nitrogen Deficiencies and Excesses in Hydroponics Nitrogen is one of the 3 primary essential macronutrients – nitrogen, phosphorus and potassium. It is represented by the N in the N-P-K ratio found on fertilizers and nutrient solutions. Other macronutrients required by plants are phosphorous, potassium, calcium, magnesium and sulfur. Nitrogen (N) Encourages leaf … Read more Hydroponic Nitrogen – Deficiencies and Excesses
Hydroponic gardening is soil-less gardening .. No soil! However the plants need to be supported or held up . This is done with Hydroponic Growing Mediums which is a soil-less media… inert, non-organic materials. Hydroponic Growing Mediums act as an anchor to the plant to prevent it from falling over as it grows, provides good … Read more Hydroponic Growth Medium Comparisons
Radishes are a rapidly maturing cool weather crop. They are among the easiest vegetables to grow – either in soil or hydroponically. There are a few basic practices that should be adhered to and some simple tips to ensure an abundant and continuous flow of radishes. Frequently Asked Questions Nutrient pHÂ for Hydroponic Radishes should be … Read more Hydroponic Radishes – Proven Techniques to grow High Quality Radishes Quickly
Advantages of Sphagnum Many conventional gardeners are familiar with sphagnum moss, aka sphagnum peat. It is used as a soil conditioner. Organic Gardeners are particularly fond of Sphaghum Moss. In the hydroponics realm of gardening it is also useful as a substrate / growing media. Spaghum is a 100% natural media. It is highly absorbent, … Read more Sphagnum Moss as Hydroponic Substrate
Perlite as a Hydroponic Grow Media Perlite is composed of minerals that have been subjected to high heat which caused it to “plump” up and expand. The end result of this process is a very porous and light weight absorbent mineral foam. Perlite has many construction and industrial applications. It also has multiple horticultural applications. … Read more Perlite as a Hydroponic Media. Pros and Cons
Garlic is easily grown hydroponically, as with anything- there are a few tricks and a few drawbacks. One big drawback to growing garlic in your home is the stench. Garlic has a very strong odor – not just the bulbs , but the plant itself. Grown outdoors, the aroma dissipates into the atmosphere – indoors … Read more Hydroponic Garlic Planting Guide
Epsom Salts is frequently suggested to treat Magnesium deficiencies, not only in conventional soil based gardening but in hydroponics as well. Epsom salt is magnesium sulfate, it is comprised of magnesium, sulfur and oxygen. All three of its core elements are essential to healthy plant development. Magnesium is the central element of the chlorophyll molecule … Read more Hydroponic Epsom Salts
As a basic rule of thumb reservoirs should be flushed, meaning emptied and replenished with fresh solution every 5 to 7 days, no more than 10 at the extreme end. Growers commonly use EC/TDS meters to measure a solutions nutrient levels and top up their nutrient solution when levels get low. The problem with this … Read more How often should hydroponic nutrient solutions be changed