Recent Tutorials

Posted April 21, 2013 by Jesse Blom | No Comments

Deep Water Culture grow bed

Characteristics of DWC grow bed 12 to 24 inches in depth Plants are placed in small plugs, made of coconut coir, tree bark, rockwool, soil, or clay pellets Plants float on styrofoam rafts Water flows slowly underneath styrofoam rafts Deep water gives plenty of room for plant roots to grow unimpeded deep into the water […]

Level: Junior Apprentice 12 growers found this useful

Posted April 25, 2013 by Jesse Blom | No Comments

Flood and Drain Media Bed

Characteristics of Flood and Drain Media grow bed 12 inches in depth Plants grow directly in a growing media made up of particular types of stone or expanded clay pellets Water enters grow bed, flooding the media almost completely, up to 1 inch from the surface of the media, then the water drains out of […]

Level: Junior Apprentice 12 growers found this useful

Posted April 25, 2013 by Jesse Blom | No Comments

Nutrient Film Technique grow bed

Characteristics of Nutrient Film Technique (NFT) grow bed Shallow water depth Plants are placed in small plugs, made of coconut coir, tree bark, rockwool, soil, or clay pellets. Plants are placed into channels made of PVC pipes or gutters   Advantages of NFT grow bed Shallow water channel allows NFT beds to be constructed with […]

Level: Junior Apprentice 12 growers found this useful

Posted April 26, 2013 by Jesse Blom | No Comments

Vertical Grow Tower

Characteristics of Vertical Grow Tower Plants are grown in a vertical orientation. Water enters the tower from the top of the tower and drains through various levels of plants, then water is collected at the bottom and returned to aquaponics system. Towers can be made of PVC pipes, plastic or glass bottles, or other customized […]

Level: Junior Apprentice 12 growers found this useful

Posted May 30, 2013 by Jill Frey | No Comments

Diffusion

Diffusion Diffusion refers to the process by which molecules intermingle as a result of theirkinetic energy of random motion. Consider two containers of gas A and B separated by a partition. The molecules of both gases are in constant motion and make numerous collisions with the partition. If the partition is removed as in the lower […]

Level: Junior Apprentice 12 growers found this useful

Posted June 10, 2013 by Jesse Blom | No Comments

Calculate Flow Rate

This resource will teach you how to calculate the flow rate in your system. The flow rate is a measurement of how much water is flowing through your system at one time. In general, your flow rate should cycle the volume of water in your fish tank through the grow bed at least once every […]

Level: Junior Apprentice 12 growers found this useful

Posted June 11, 2013 by Jesse Blom | No Comments

Checking Water Temperature

Check your water temperature every day if you can. To do so is very simple – all you need is a thermometer, which you can put into the water for a minute, and remove it to read the temperature. You can also get thermometers that float in the water or attach to the side of […]

Level: Junior Apprentice 12 growers found this useful