Is this product safe for fish

Yes. I get a great return on my aquatic plants and doesn't hurt the fish. Been using it now for a few years. Fyi..... my Angels are breeding and giving off healthy broods.

Does this product have copper in it?

There is a very small amount. Small amounts like in this product are still safe from snails, shrimp, ect. If copper is at the bottom of the list it’s safe, you want to watch out for when Cooper it towards the top of the list

I am new at keeping live plants in fact I am waiting on my first order. I purchsaed this plant food but was also told I needed Flourish Excel, the ingredients are organic carbon. Are the these the same thing, ( plant food) ? and do I need to use both at the same time? Thank you!

I have found the following to be helpful. If you are comfortable with the API products you will also want to order API co2 booster. Every four months I also insert into the soil API plant food. I used these two products for the past year with my planted tanks. I currently have three planted tanks. All are flourishing and doing great.

Will this work with an under gravel filter system?

Yes , it works with undergravel filtration systems.

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Leaf Zone Freshwater Plant Fertilizer, 16 OZ, Multicolor

Product ID: 392217800

Details

Brand
API
Item form
Liquid
Item weight
0.3 Pounds
Liquid volume
0.5 Liters
Specific uses for product
Freshwater

⚡Rapid absorption through leaves

🌿Iron & potassium boost vibrant leaves

💧0.5L liquid for easy dosing

NZ$132

Duties & taxes included

In stock

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Description

🌿 Elevate your aquarium’s green game — don’t let your plants miss out!

PERFECT PAIRING - Optimized to work seamlessly with API Root Tabs for comprehensive underwater nutrition.
FAST ACTING FORMULA - Designed for rapid leaf absorption to accelerate plant health and vitality.
TRUSTED BY THOUSANDS - 4.6-star rating from 7,789 aquarists who’ve transformed their tanks with API Leaf Zone.
VIBRANT AQUARIUM OASIS - Infused with iron & potassium for lush, colorful plant growth that makes your tank pop.
EFFORTLESS AQUARIUM CARE - Simple dosing (5ml/10 gallons) keeps your aquatic garden thriving with minimal hassle.

API Leaf Zone Freshwater Plant Fertilizer is a 16 oz liquid formula enriched with iron and potassium, designed for rapid absorption through aquarium plant leaves. Ideal for freshwater planted tanks, it promotes vibrant, healthy growth and pairs perfectly with API Root Tabs for a complete plant nutrition system. Trusted by thousands with a 4.6-star rating, it simplifies aquatic gardening while enhancing your tank’s natural beauty.

Specifications

ASIN	B0002566TW
Best Sellers Rank	#10,155 in Pet Supplies ( See Top 100 in Pet Supplies ) #58 in Aquarium Water Quality Testing & Treatment
Brand	API
Brand Name	API
Country of Origin	USA
Coverage	Freshwater planted aquariums
Customer Reviews	4.6 out of 5 stars 7,789 Reviews
Global Trade Identification Number	00317163105764
Item Form	Liquid
Item Type Name	API Leaf Zone Freshwater Plant Fertilizer, 16 OZ
Item Weight	0.3 Pounds
Item form	Liquid
Item weight	0.3 Pounds
Liquid Volume	0.5 Liters
Liquid volume	0.5 Liters
Manufacturer	API
Mixing Ratio	5 ml per 10 US gallons
Model Number	576J
Number of Items	1
Part Number	576J
Specific Uses For Product	Freshwater Planted Aquarium, Plant Growth
Specific uses for product	Freshwater Planted Aquarium, Plant Growth
Target Species	Aquarium Plants
UPC	317163105764 019014705764 317163105672
Unit Count	1 Count

Reviews

P**Z

Good

1.09.2025

L**E

Good

Doing good job ...new roots and leafs generated

22.05.2024

R**Y

Worth Buying

Does the job well. Plants grow healthy on my fish tank.

11.05.2022

Y**E

No Change at all...

whether i had it in tank or not, my plants will still grow slow. it just kept giving a better environment for the algae to grow instead of the plants....

25.07.2024

L**N

Must have for aquarium plants !!!

Arrived quickly.. easy to follow instructions !!! Keep my aquarium plants green !!! Safe for my fish, I’ve never had any issues with them when using this product !!! Definitely effective and a must have if you have live plants in your aquarium !!! I love that you can use the cap to pour the concentration in to measure !!!

29.05.2026

S**D

Excellent product

Excellent product ,very good for planted aquarium.

14.04.2022

S**I

Top

Résultat très rapide et très bon marketplace Je recommande !!

15.11.2023

A**I

Great Product

Working great in my 130 litre planted tank. Plants are flourishing

2.09.2025

A**R

Its magic

This product is magic it saved my aquarium plants

5.12.2025

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