Advantages, Disadvantages of Rockwool as a Hydroponic Grow Media

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

Hydroponic Calcium Deficiency and Build Up

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

Hydroponic Nitrogen – Deficiencies and Excesses

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 Radishes – Proven Techniques to grow High Quality Radishes Quickly

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 pH for Hydroponic Radishes should be … Read more Hydroponic Radishes – Proven Techniques to grow High Quality Radishes Quickly

Perlite as a Hydroponic Media. Pros and Cons

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

How often should hydroponic nutrient solutions be changed

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