http://www.amazon.com/s/ref=nb_sb_no...=EZ-Flo+gallon
There are 2 sizes, a 2 gal and a 3/4 gal for nearly the same price. It will dilute your solution to between 1:250 and 1:1000. Dyna-grow Grow is supposed to be diluted to between 1:1500 - 1:3000 so I dilute it with water 1:3 and fill the plastic container. Then 1:1000 is a little more dilute than suggested which makes it the perfect fertigation dose. If I want the final solution stronger I can dial it all the way up to 1:1000, which is stronger than I need for potted plants.
In the reviews someone checked it with a TDS meter and it kept the proper dilution until it ran out of fertilizer. My TDS meter is on its way but so far it seems to be working well. You do have to have a backflow preventer upstream and you can't stop the flow of water from downstream (or the tank can burst even though it's quite solid).
There are 2 sizes, a 2 gal and a 3/4 gal for nearly the same price. It will dilute your solution to between 1:250 and 1:1000. Dyna-grow Grow is supposed to be diluted to between 1:1500 - 1:3000 so I dilute it with water 1:3 and fill the plastic container. Then 1:1000 is a little more dilute than suggested which makes it the perfect fertigation dose. If I want the final solution stronger I can dial it all the way up to 1:1000, which is stronger than I need for potted plants.
In the reviews someone checked it with a TDS meter and it kept the proper dilution until it ran out of fertilizer. My TDS meter is on its way but so far it seems to be working well. You do have to have a backflow preventer upstream and you can't stop the flow of water from downstream (or the tank can burst even though it's quite solid).
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