What is the amount per gallon mixing ratio?

I use up to 3-4ml per gallon sometimes, depending on my nutrients, water and stage of plant growth. It will vary depending on what you're growing and where your particular plant's needs fall on the nutrient/ph charts. For hydroponics/coir it is recommended by manufacturer to range between 5.5 and 6.5.

can you list ingredients with %. Thank you!

exact amounts are a trade secret however the MSDS on this states:Phosphoric acid 10 - 30%Ammonium dihydrogenorthophosphate 5 - 10%Citric acid 5 - 10%in comparison the dyna-gro ph down has:Phosphoric Acid H3PO4 33%Nitric Acid HNO3 11.5%That being said there are benefits to some of these ingredients. N-NitrogenP-PhosphorusK-PotassiumPhosphoric acid provides: PAmmonium dihydrogenorthophosphate provides: N and PCitric acid: other than lowering ph, does nothing useful. made from oxygen and hydrogen not in any usable form as far as I can find.Nitric Acid provides: NOverall either product seems to provide similar benefits.Dyna-gro is half the cost.

ingredients? Concentration?

It’s not organic if that’s what you mean ingredients. I haven’t used this in a long time. I want to say I’d use like 20ml for 5 gallons. I switched to another branf

Is this safe for aquaponics systems?

I would think so. I use it to lower the pH of the water I use to water my plants sometimes, both inside and out.

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General Hydroponics GH pH Down Paper Down 32oz

General Hydroponics GH pH Down Paper Down 32oz

Product ID: 731948562

Details

Brand
General
Global Trade Identification Number
Item Form
Liquid
Item Weight
1.18 kg
UPC
793094015325

🌱Versatile for soil & hydroponics

💧946 ml precision liquid

⚖️Highly concentrated formula

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Description

🌿 Master your grow with precision pH tuning!

SAFETY FIRST - Clear usage guidelines and safety precautions to protect you and your plants.
TRUSTED QUALITY - From General Hydroponics, a brand with 4.7-star rating and global recognition.
CONCENTRATED FORMULA - A little goes a long way—946 ml bottle ensures long-lasting use and value.
PRECISION P H CONTROL - Easily adjust your nutrient solution with just a few drops for optimal plant health.
VERSATILE APPLICATION - Perfectly compatible with soil cultivation, hydroponics, and organic growing systems.

General Hydroponics GH pH Down is a highly concentrated liquid solution designed to lower pH levels in soil, hydroponic, and organic growing systems. Packaged in a generous 946 ml bottle, it offers precise control for healthier plants and optimized nutrient uptake. Trusted by thousands with a 4.7-star rating, it’s a must-have for serious growers aiming for perfect pH balance.

Specifications

ASIN	B00CJID1I4
Amazon Bestseller	#40,975 in DIY, Tools & Garden ( See Top 100 in DIY, Tools & Garden ) #400 in Garden Fertilizers
Brand Name	General Hydroponics
Customer Reviews	4.7 4.7 out of 5 stars (6,474)
Global Trade Identification Number	00793094015325
Item Form	Liquid
Item Weight	1.18 kg
Manufacturer	General Hydroponics
Manufacturer Part Number	HGC722120
Model Number	HGC722120
UPC	793094015325
Unit Count	946.0 Milliliters

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