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Mobile RO System
This is my Mobile Reverse Osmosis (RO) System. The purpose of this system is to filter the water before nutrients is added. The System is made up of multiple parts. Typically this system is hooked to a sink or hose but without a sink in my classroom, I had to be creative! I designed this system to show my students this process and just another room for science in my classroom.
This system is vital to my Hydroponics. The water at my school is very poor; 400pmm (and higher) leaves little room to add nutrients to be added and maintain a stable pH.
I use an RO ppm meter to monitor the ppm coming in and out of the system. This gauge was purchased on Amazon.com for around.
Since this system needs high pressure to work, I use an Aquatec 8800 booster pump to pump the water from unfiltered water reservoir into our RO System. This pump was purchased on Amazon. It has 3/8 inch line capability and I got the 24v to 110 transformer included.
The actual RO filter/system is a Hydrologic Stealth 100 with a 1:1 reducer. This system is capable of producing 100 gallons per day and only produces 1 gallon of waste water per gallon of RO water. I purchased this system from Harrisburg Hydroponics (Hydro-Ponics.com).
Note: It is on an "AV Cart". Not an "RV Cart" :D
Update:
Fall 2015
After 1 year of using my original Mobil RO system, I realized I needed to have access to more water and have the ability to filter water overnight. The solution, a 55-gallon Rain Barrel (purchased from the Francis Scott Key Center) and a Hydrologic Float Valve (purchased from Amazon). This allows me to hook the system to the sink, turn it on and have it fill up overnight. I put the drum on 600lb Capacity 4-Wheeled Folding Cart (purchased from HomeDepot) so that I can wheel the system over to the other classroom where the sink is "set it and forget it". The next morning the barrel is filled. The drum also has a spigot on the bottom to allow a hose to be hooked up to make filling the systems easier. I also do not need the booster pump to filter the water.
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