Mechanical filtration of nutrient solution in NFT hydroponic systems
Mechanical filtration is not an effective tool to prevent water borne diseases in NFT hydroponic nutrient solutions. It has been found that the total organic...
Tag Archives: Irrigation
Flow rate in gravel NFT hydroponic systems – crucial for optimal system performance
The correct flow rate of closed hydroponic systems is critical for optimal growth of plants. The flow rates are important for all types of closed...
What is the difference between LDPE and HDPE Irrigation pipes
LDPE HDPE Difference is crucial when designing a good system. You can either save a lot of money initially and waste a lot later when...
Cheap inline sediment filter that works
Installing a sump on small closed hydroponic systems is also easy. The same basic concrete sump can be build but a simple ‘T-piece’ as described...
How to lay out a dripper irrigation system
A basic layout of a dripper irrigation system is provided using bags. Note the position of the filters in relation to the pump and water...
Calculating the correct flow rate for open hydroponic systems
There are two basic types of dripper systems used in bag culture; 1 mm spaghetti pipes and 8 mm pressure regulated dripper (also called a...
Nutrient tank design with pumps and filters
Bag culture systems requires the use of large tanks to store the nutrient mixture. The tanks are important because: The nutrients are mixed and stored...
Small nutrient tanks vs. large nutrient tanks
The basis on which to choose a small nutrient tank or large nutrient tank will be: The relative volume circulating at any given time in...
Position of hydroponic nutrient tanks and catch-up tanks
Hydroponic nutrient tanks can be made from any type of material as long as it does not react or cause a reaction with the nutrient...
How to install dripper irrigation on sloped land
Efficiently design dripper irrigation systems will ensure long term durability with minimum maintenance. The ideal requirements for efficient operation of dripper systems are: The delivery...
The secret of successful plastic gullies in closed hydroponic systems
Plastic gullies (or also called hydro-liners) are made from thick durable plastic with a thickness between 125 micron and 500 micron. The recommended thickness to...
How to prevent blocked drippers
Blocked drippers is a cause of frustration. It happens all the time and is something all growers must be wary of. Blockages occur due to...
Closed hydroponic systems – the basics
Over the years, closed hydroponic systems have been criticized quite often for their high initial capital cost and the perception that these systems have a...
