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Common Issues with Hydroponic Systems

Written by: Alma Newton

Article Overview: Hydroponic Systems can promote conditions (presence of fertilizer and high humidity) which can result in an environment that promotes salmonella growth. Pathogens attacks, such as damp-off due to Verticillium wilt, can be caused by the high moisture levels associated with hydroponics and over watering. High humidity in your growing environment can lead to foliar fungus problems/mold.

Common Issues with Hydroponic Systems

So you have decided to try hydroponic growing? Congratulations! Now before going forward, guns blazing and rushing out to buy equipment, take a moment to review some common issues with Hydroponic Systems. Hydroponic Systems can promote conditions (presence of fertilizer and high humidity) which can result in an environment that promotes salmonella growth. Pathogens attacks, such as damp-off due to Verticillium wilt, can be caused by the high moisture levels associated with hydroponics and over watering. High humidity in your growing environment can lead to foliar fungus problems/mold. Proper aeration or the supply of air or oxygen to the plants' roots can be an issue depending on the type of hydroponic system used. Feeding frequency -the simpler the system, the more often you will have to be around to add and monitor the nutrient solution. Timing - how often to pour nutrient over the aggregate/growing medium. Volume -how much nutrient solution to be poured over the aggregate when using a light proof container system. Another common problem is stock water that is too cold when using stock tank systems.

Sounds intimidating? Fortunately most hydroponic systems are not nearly as difficult when done on a small scale. Just remember that your system may be as complicated or as simple as your abilities and needs dictate. You are the one in charge.

Cleanliness matters. Always cut off dead leaves and remove them from your grow room. Decaying organic matter attracts fungus gnats plain and simple. Remove diseased plants immediately to prevent any infections spreading. Clean the plant box well using a 10% bleach solution- before putting it back to use. Rinse/scrub with fresh water - lots of it. When changing water in your stock tank, wash the tank well using a 10% bleach solution. Should you use big trays for blocks and slabs, strongly consider washing these too. Flush irrigation lines with a hydrogen peroxide solution. Make sure your humidity is less than 60% during dark cycles when humidity can be the highest. Air circulation is an essential - a fan takes care of that. Increasing plant resistance to mold problems by adjusting potassium levels higher is an effective preventative measure. Look at your plant spacing and make sure that the plants do not touch the walls of your growing space.

Spending an extra couple of dollars and getting a timer will help with the feeding cycles your hydroponic systems use. Avoid salt built up by top watering your plants once a week if you use the Ebb& Flood method. Look at putting a heating element in a tank to 21oC (70oF). Try allowing a greater difference between night and day temperatures to promote the setting of flowers/fruit. Should you be in mid crop, try using garden sulfur in a foliar spray. Ready made sprays are available and always follow the manufacturer's directions carefully. The most effective solution to any problems is prevention and experience. Common sense really. So get growing!

Related Articles
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  Basic Hydroponic Systems
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  A Hydroponic System: Why Choose to Grow in One?
  Hydroponic Gardening: What's Different and Mediums to Use

Article Tags: hydroponic systems, hydroponics, in home garden



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