API Leaf Zone 8 oz

The API Leaf Zone (8 oz) is a liquid aquarium fertilizer specially formulated to promote lush, vibrant plant growth. Enriched with potassium and iron, Leaf Zone delivers essential nutrients directly to aquatic plants, helping them develop strong roots, healthy stems, and rich green leaves.

Perfect for freshwater planted aquariums, Leaf Zone supplies iron and potassium to support freshwater plant growth; other nutrients, lighting, and suitable water conditions may also be needed. Follow the product label and consider livestock sensitivities.

Key Features

• Provides essential nutrients: potassium and iron for plant growth
• Promotes strong roots, stems, and leaves
• Prevents yellowing and weak growth in live plants
• Safe for freshwater aquariums with fish and invertebrates
• Convenient 8 oz bottle treats up to 470 gallons

Specifications

• Brand: API (Aquarium Pharmaceuticals)
• Product: Leaf Zone Aquarium Plant Fertilizer
• Size: 8 oz (237 mL)
• Use: Freshwater planted aquariums
• Dosage: Add 5 mL per 10 gallons weekly

How to Use

Add 5 mL (one capful) of Leaf Zone per 10 gallons of aquarium water once per week, or as needed based on plant growth. Shake well before use and dose directly into the aquarium. For best results, use alongside regular water changes and good lighting.

Why Choose API Leaf Zone?

API Leaf Zone is an easy, affordable way to keep aquarium plants lush and green without complicated dosing routines. Its chelated iron and potassium formula targets the most common deficiencies in planted tanks, making it a great choice for beginners and experienced aquascapers alike.

Frequently Asked Questions

How often should I use API Leaf Zone?

Dose weekly for best results and consistent plant growth.

Can I use Leaf Zone with other fertilizers?

Yes. Leaf Zone works well alongside root tabs or all-in-one liquid fertilizers.

Is Leaf Zone safe for shrimp, snails, and fish?

Absolutely — it is safe for all freshwater aquarium inhabitants when used as directed.

Will Leaf Zone help with yellowing leaves?

Yes. The iron content helps prevent and correct leaf chlorosis (yellowing).

What Leaf Zone Provides

API Leaf Zone supplies iron and potassium for freshwater plants. It is not a complete all-in-one source of every macro- and micronutrient; rooted plants may also benefit from root fertilizer, while nitrogen and phosphorus availability depends on the aquarium. Follow the manufacturer's label dosage.