Hoss Fertilizer Injector


Fertilize your garden while you water with our Hoss Fertilizer Injector. Easy to install and easy to use. Just attach to your water hose or faucet, add fertilizer, and turn the water on. 1 gallon capacity. USA MADE!

*Optional Backflow Preventer available

Hoss Fertilizer Injector
Backflow Preventer

The Hoss Fertilizer Injector allows you to feed your garden while you water, ensuring a constant proportion of fertilizer is being administered to your plants. This will save you a tremendous amount of time and energy by allowing you to water and fertilize simultaneously. The injector works great with drip irrigation systems because it puts the fertilizer at the roots of the plants — right where they need it.

This fertilizer injector is quick and easy to install. Simply attach to a garden hose, water faucet, or drip irrigation system. It’s also easy to remove so you can detach and move it around your garden to use it in multiple areas. Valves on the “water in” and “fertilizer out” hoses allow you to turn the injection off, so you don’t have to remove the system when you’re done administering fertilizer.

It works with all water-soluble and liquid fertilizers, including fish emulsion and Chilean nitrate for the organic farmer. The heavy-duty tank is made of PVC that will not dent due to changes in pressure. The cap includes a switch for four different water/fertilizer ratio settings that allows you to control the rate at which fertilizer is incorporated into your water supply.

Optional Backflow Preventer

The Backflow Preventer uses a vacuum-breaking system to prevent polluted water from entering your water source via back-siphoning. Install the Backflow Preventer at your well or faucet, upstream of the Hoss Fertilizer Injector. The Backflow Preventer consists of a copper silicon alloy body construction, stainless steel working parts, and a rubber diaphragm and disc. Fits all 3/4″ hoses and faucet connections.

Hoss Fertilizer Injector Installation Guidelines:

  • Do not install the system into an irrigation mainline before a zone valve.
  • Flush hose after each use to vent chemicals and pressure.
  • Empty tank when freezing conditions are present.

Fertilizer Injector Ratio Settings:

Use the charts below to determine how long you’ll need to run your water system to empty all the fertilizer in the tank.

  • Slow – 1000:1
  • #1 – 500:1
  • #2 – 250:1
  • Fast – 100:1
Weight N/A
Dimensions N/A

2 reviews for Hoss Fertilizer Injector

  1. Tim Kutschera (verified owner)

    the best way to fertilize your plants that are in a plastic mulch/ tape irrigated bed. I’ve used this type of injector for a couple years and it works very well I highly recommend this injector.

  2. Billy Guidroz (verified owner)

    I have been growing orchids in my greenhouse for many years and this is the best system I have ever used for fertilizing my plants.

Add a review

Your email address will not be published. Required fields are marked *

All search results
Scroll to Top

Shipping Info

For the contiguous 48 United States:

Orders less than $49:

Orders between $49 – $99:

Orders more than $99:

For Alaska and Hawaii, select your state on the following checkout page for a shipping quote.