Question 1

Anybody use this for rdwc or dwc

Accepted Answer

I've been using this with all my hydroponics, Kratky Method, Aeroponics, DWC, etc.
Won't use anything else. Great results!

Question 2

Is this organic? Thanks.

Accepted Answer

N-P-K and trace elements are all inert chemical elements. Plants ingest these chemicals using the bacterial and fungi in the soil. Your soil may have other organic material; some of which freaks down into N-P-K and trace elements in varying degrees depending on the material which has been composted.   Elements are inert.  Nitrogen is Nitrogen is Nitrogen.  They are not organic. You have to look at the data sheets and figure how much fertilizer you are adding to you plants to keep them fed.   You can call Masterblend and talk to their staff who can advise you on dosage.  I normally use 12 Grams of 4-18-15 in 5 gallons of water along with 6 0z of Epson Salt (adds Magnesium which helps absorb trace elements plants also need)  and 12 grams of 10-58-17. I occasionally use 12  Grams of 15-0-0 Calcium Nitrate for Blossom End Rot in tomatoes along with my 4-18-38 12 grams each in 5 gallons of water. NOTE This is very heavy feeding in a Hydroponic Dutch Bucket Tomato system. You need to come up with a dosage that works for you and should check on recommended mixtures any your garden or hydroponic setup.

Question 3

How often should I apply to the garden

Accepted Answer

Can you use this product in regular soul in your vegetable garden

Question 4

Is there CL (clorine) is this as a trace element?

Accepted Answer

It's not listed on the bag.  I've had great luck with this I grow hydroponic tomatoes, lettuce, swiss chard, squash, and even hydroponic corn in dutch buckets (which is doing pretty well so far but this is an experiment).   I forget if it says in the description, but I mix equal parts of this and calcium nitrate with 1/2 as much epsom salts.  for 5 gallons of water that is 12 grams each of masterblend and calcium nitrate, and 6 grams of epsom salts.  Food grows like crazy and tastes great.  I have tomatoes in soil that are not growing as well as the dutch bucket tomatoes.

ASIN	B0722JW1SZ
Best Sellers Rank	330,877 in Garden ( See Top 100 in Garden ) 341 in Vegetable Plant Fertilisers
Brand Name	Masterblend
Country of Origin	Netherlands
Coverage	Medium
Customer Reviews	4.4 4.4 out of 5 stars (5)
Item Form	Bulk
Item Weight	25 Pounds
Liquid Volume	400 Fluid Ounces
Manufacturer	MasterBlend
Mixing Ratio	2:2:1
Model Number	MASTERBLEND 4-18-38 (25 POUNDS)
Specific Uses For Product	Hydroponic
Target Species	vegetables, tomatoes, peppers
Unit Count	11300 Grams

MasterBlend 4-18-38 Tomato & Vegetable Fertilizer - Bulk 1, 5 or 25 Pounds (25 Pounds)

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