J.R. Peters, Inc.

Ol' reliable.

Love it

stopped using after 1 week because im not sure if it's organic

Excellent all I use

I love them, gonna take a lot to make me switch. Easy button all the way

Simple, effect and to the point. ♥️

Excellent all I use for everything i grow

All I use

Using these dry nutrients makes storing easier. I like that they're designed to be used with tap water. Combining with Epsom salt was easy. Dissolving was annoying and getting the EC right a bit of a process. Results seemed good, though. The company seems responsive and to care about the customer.

Love this stuff, love long fan boy!

It is the simplest and most cost effective way to run hydro. Easy peezy. I been on jacks for years now.

I didn't actually use this for this grow as I decided I wanted to do a completely nutrient-free and maintenance free outdoor grow. I usually use this line for all my outdoor sparingly and it has never let me down.

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First run using, absolutely love it, new standard!

When growing with salts I use bloom in transition and early flower. In soil I use part a only for late flower only.

I love the consistency using these nutrients and haven't ran into any issues the whole grow

Very easy to use and never caused an issue during the grow.

The grow did go great using only this in the same amounts for the entire grow. I'm trialing the GH Flora trio instead of this to see if there's much of a difference

Good idea to use these in the seedling stage to give the seedling a big push. I would not use it before 2 weeks after germination--its a little strong. I also would not recommend anytime after prebloom. I only use it as a one shot deal after the first true leaves have formed and only to boost vegetative growth.

I have been using this for YEARS. I use it very sparingly for my outdoor garden only, and it has always worked great. Bonus, you can't get much cheaper.