If you want to have total control over your nutrients you need to look into getting an RO filter. These Water filters will do anything from filtering out chlorine, to bringing your ppm to 0.

• Hydro-Logic Merlin Garden Pro High-Flow Reverse Osmosis System

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• Price: $589.95
• Hydro-Logic Merlin Garden Pro High-Flow Reverse Osmosis System Hydro-logic Water Purification Systems specializes in a wide range of water purification technologies exclusively for the hydroponics
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• Hydro-Logic Stealth Ro100 Reverse Osmosis Filter

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• Price: $224.95
• Hydro-Logic Stealth RO100 Reverse Osmosis Filter Produces up to 100 GPD (gallons per day) of ultra-pure, low PPM water. Removes 98%+ of chlorine & contaminants. Wastes approximately 25% less
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• Hydrofarm Black Tubing (100 Feet)

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• Price: $14.95
• Use our sturdy black vinyl tubing to make your own hydroponic systems.  Black vinyl tubing is recommended in water gardening applications because it practically disappears under water. Also, sinc
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• Hydro-Logic Flowmaster Gallon Meter

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• Price: $54.00
• The Flowmaster measures how many gallons of filtered water have gone through the system and alerts you when it's time to change filters. You can program in the filter capacity and when you reach the t
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• Hydro-Logic Tall Boy De-Chlorinator & Sediment Filter

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• Price: $179.95
• Hydro-Logic Tall Boy De-chlorinator & Sediment Filter Removes up to 99% of chlorine and 90% of sediment, rust, silt, etc. @ 2 GPM. Easily produces 120 gallons per hour of clear water filtered
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• Blue Tubing 1/2" (100 Feet)

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• Price: $32.95
• Blue Tubing 1/2" (100 Feet)100 feet of flexable irrigation tubing. 
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• Hydro-Logic Small Boy De-Chlorinator & Sediment Filter

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• Price: $106.95
• Hydro-Logic Small Boy De-chlorinator & Sediment FilterRemoves up to 99% of chlorine and 90% of sediment, rust, silt, etc. @ 1 GPM. Easily produces 60 gallons per hour of clear water filtered down
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• Hydro-Logic Stealth Ro200 Reverse Osmosis Filter

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• Price: $319.95
• Hydro-Logic Stealth RO200 Reverse Osmosis Filter Produces up to 200 GPD (gallons per day) ultra-pure, low PPM water. Removes 98%+ of chlorine & contaminants. Wastes approximately 25% less wat
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• Eliminator Reverse Osmosis Filter 100 Gallons/Day

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• Price: $209.95
• Purified water grows healthier, more beautiful and longer-lasting plants than ordinary tap water. Your plants will flourish with our "better-than-rain" quality water. SpectraPure manufactures a wide
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