Could this be used as nutrients in a dwc / hydroponic setup?

SInce it goes into solution easily it can be used in a hydroponic set up. Concentrations will have to be adjusted.

Does this contain micronutrients? Where can I get a detailed list of ingredients?

Ask the manufacturer for an OSHA sheet. All fertilizers are requrired to submit a full chemical breakdown listed for OSHA which must be supplied to the public on request. These sheets are requested by toxicologists in the ER.

Do you solve it in the watering water or are these timed release granules? The product image and the description sort of contradict each other.

This water soluble fertilizer feeds both the leaf structure, and the root system when applied as directed. It can be used in multiple spray forms,ie; a spray bottle or hose attachment. You can also pour it from a watering can, or a bucket, right on top of your plants. Hope this helps.

What country is this from?

It says right on the container made in Allentown, PA with an American flag . This is really good stuff....get some.

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20-20-20 All Purpose Water-Soluble Fertilizer with Micronutrients to Provide General Growth on All Plants, 4lbs

Product ID: 369260710

Details

Brand
Jack's Classic
Item form
Powder
Item weight
4 Pounds
Liquid volume
20 Liters
Specific uses for product
All Purpose

🌿20-20-20 balanced NPK formula

💧Water-soluble powder for easy mixing

📏Includes precise measuring spoon

€ 234.18

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Description

🌱 Unlock your plants’ full potential with every drop!

MAXIMIZED EFFICIENCY - Powdered concentrate stretches further than liquids, delivering up to 20 gallons of nutrient-rich solution.
BALANCED GROWTH BOOST - Perfect 20-20-20 NPK ratio fuels rapid leaf expansion and lush green-up for all plants.
MICRONUTRIENT POWERHOUSE - Enhanced with chelated trace elements to ensure strong roots and vibrant foliage without extra feeding.
PRECISION DOSING INCLUDED - Comes with a handy measuring spoon for exact mixing—no guesswork, just growth.
VERSATILE FEEDING OPTIONS - Use as foliar spray or root feed—flexible application for indoor and outdoor greenery.

Jack's Classic 20-20-20 All Purpose Fertilizer is a water-soluble powder designed for fast, balanced nutrition across all plant types. Featuring a perfect NPK blend plus chelated micronutrients, it supports vigorous growth indoors and outdoors. The included measuring spoon ensures precise application, while the powder form maximizes coverage and efficiency, feeding plants through roots or leaves with minimal risk of burning.

Specifications

ASIN	B00KWYHXXQ
Brand Name	Jack's Classic
Coverage	Full
Customer Reviews	4.8 4.8 out of 5 stars (2,097)
Global Trade Identification Number	00671341520641
Item Form	Powder
Item Weight	4 Pounds
Liquid Volume	20 Liters
Manufacturer	JR Peters
Mixing Ratio	4 lbs/gallon
Model Number	52064
Number of Items	1
Part Number	52064
Specific Uses For Product	All Purpose, Indoor Plants, Outdoor Plants, Vegetable Gardens, Lawns
Target Species	plants
UPC	671341520641
Unit Count	1892.7 Milliliters

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€ 234.18

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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