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 190 Sanhedrin Circle
Willits, CA 95490
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Fertilizer Injectors
 Catalog Page 44-46

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We carry fertilizer injectors at three levels.
  • The simplest is the EZ-Flo, popular with backyard gardeners.
  • The Mazzei is a Venturi style injector that works by creating a pressure differential.
  • The Mixrite is a commercial grade injector that accurately meters out the fertilizer.

Fertilizer calculator Our Fertilizer Calculator, below, can help you estimate your fertilizer needs.

All systems with a fertilizer injector must have some sort of back flow preventer to prevent fertilizer from getting back into your domestic water supply.  
Simple EZ-Flo Fertilizing (Click here for available models)
Pluses:
  • Suitable for home use, small nurseries, small orchards, etc.
  • Simple to set up and operate
  • Inexpensive
  • Does not lower your water line pressure or flow
  • It just works in almost any system
Minuses:
  • Difficult to monitor outflow of fertilizer
  • Fertilizer amount restricted by tank size
For EZ-Flo Replacement Parts, click here 		EZ-Flo Fertigator
Mazzei Venturi Style Injector (Click here for available models)
Pluses:
  • Suitable for farms, nurseries and other commercial applications
  • Simple, Trouble Free, no moving parts
  • Moderate cost
  • Commercial grade
  • Consistent injection
  • Draws from any size container
Minuses:
  • Affects the water pressure. Minimum of 25-30 PSI required.
  • Must be adjusted for different flow rates (optional Bypass Assembly highly recommended)
 Mazzei fertilizer injector
Mixrite Pump Style Injector (Click here for available models)
Pluses:
  • Suitable for farms, nurseries and other commercial applications
  • Commercial grade unit
  • No external power needed
  • Accurate, consistent injection rate at different flows
  • Easy to maintain (we stock replacements for parts that wear)
  • Simple to install, operate and maintain
Minuses:
  • Costs more than Mazzei
  • Must be mounted on post, wall or other surface
 Mixrite fertilizer injector
Fertilizer Calculator
Mix Ratio Calculator (fill in one number and the other will be calculated)
      :1 =  % calc   clear
 
Fertilizer Use Estimator (leave the 1 number to be calculated blank)
    Amount of Fertilizer to use up (in gallons):
    Amount of water used in gallons per hour:
    Fertilizer dilution (in percent):
    Time to use up fertilizer (in hours):
calc   clear
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