# Easy Green/Easy Iron/Easy Potassium 500ml Pump Top

**Brand:** Aquarium Co-Op
**Category:** Home & Garden > Plants > Aquatic Plants
**Taxonomy ID:** hg-17-1
**Google Category ID:** 5590
**Price:** $2.99
**Price Segment:** budget
**In Stock:** Yes

## Description

Pumps approximately 1 ML per pump Replaces dosing the cap on our fertilizers 1 Pump Treats 10 gallons of water The pump head is an alternative to our dosing caps. It can speed up the dosing process for tanks up to 50 gallons. Store fertilizers with pump heads upright to prevent any leaking. Wipe nozzle clean or dip into aquarium after dosing to help prevent fertilizer crystallization of the nozzle tip. Each pump head comes in it's own cardboard box to protect it during shipping. Fits: 28/410 neck twist For Easy Green, Easy Potassium, and Easy Iron 500ML bottles

## Specifications

### Product Details

| Specification | Value |
|---|---|
| Compatibility | Easy Green, Easy Potassium, and Easy Iron 500ML bottles |
| Neck Size | 28/410 neck twist |
| Dosing Volume | Approximately 1 ML per pump |
| Usage | 1 Pump Treats 10 gallons of water |
| Capacity | Suitable for tanks up to 50 gallons |
| Maintenance | Wipe nozzle clean or dip into aquarium after dosing |
| Storage | Store upright to prevent leaking |
| Packaging | Each pump head comes in its own cardboard box |

## Frequently Asked Questions

**Q: How do I use the Aquarium Co-Op pump top?**
A: To use the Aquarium Co-Op pump top, simply attach it to your 500ml fertilizer bottle. One pump treats 10 gallons of water. For maintenance, wipe the nozzle clean or dip it into the aquarium after dosing to help prevent fertilizer crystallization at the nozzle tip.

**Q: Is the Aquarium Co-Op pump top worth the price?**
A: Yes, the Aquarium Co-Op pump top is worth the price at $2.99 USD. It serves as an efficient alternative to dosing caps, designed to speed up the fertilization process for aquarium tanks up to 50 gallons in size while ensuring precise dosing of 1ml per pump.

**Q: What products are compatible with the Aquarium Co-Op pump top?**
A: The Aquarium Co-Op pump top is specifically designed to fit 500ml bottles of Easy Green, Easy Potassium, and Easy Iron. It features a 28/410 neck twist fitting, ensuring a secure connection to these specific fertilizer products to assist with easier tank maintenance.

**Q: How much liquid does the Aquarium Co-Op pump top dispense?**
A: The Aquarium Co-Op pump top dispenses approximately 1ml of liquid per pump. This standardized volume is designed to treat 10 gallons of water, making it a convenient tool for aquarium owners to dose their plants accurately without needing to use the bottle caps.

**Q: How should I store the Aquarium Co-Op pump top to avoid leaks?**
A: To prevent any leaking when using the Aquarium Co-Op pump top, you should always store your fertilizer bottles in an upright position. Keeping the bottle upright is the recommended method to maintain the integrity of the pump head and ensure no fertilizer escapes during storage.

**Q: What size tanks can I use the Aquarium Co-Op pump top for?**
A: The Aquarium Co-Op pump top is ideal for dosing tanks up to 50 gallons. Because one pump treats 10 gallons of water, it provides a fast and efficient way to fertilize smaller to medium-sized aquatic setups compared to traditional dosing cap methods.

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Data verified March 2026.

Source: https://aquariumcoop.com/products/easy-iron-carbon-500ml-replacement-pump-head