Reverse Osmosis in Hydroponics
Did you know that hydroponic systems use reverse osmosis (RO) as a means to clean water? Hydroponics is a type of horticulture that grows plants or crops without soil. Instead, mineral nutrient solutions in an aqueous solvent are used.
What's the difference between tap water and RO water?
Tap water may contain sodium, chlorine, and other dissolved solids that aren't necessarily harmful to humans, but can be harmful to plants, causing slower growth or damaged plant roots. The build up of these solids can also turn into calcium and salt deposits which will damage your hydroponic system in the long run!
Reverse osmosis removes ions, molecules and unwanted contaminants and particles from water, and can reduce PPM by 99%, providing growers with pure water. Starting with pure water also gives growers more control and precision in nutrient control for their plants.
The spiral construction of RO filters that make it so effective at catching contaminants and ions also makes it difficult for the filter to be cleaned, since these particulates can hardly be removed. It's efficacy also makes it a more expensive filter than other simpler forms of filtration. This is where pre-filters come in.
Pre-filters help reduce the particulate load entering the RO filter so that the membrane can perform at its optimum output and have a longer lifespan. Learn more about RO pre-filters here.
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