Active Aqua Porthole Cover, Black, fits all sizes

Reservoir Access Cover for Maintenance and Evaporation Control

This porthole cover fits all Active Aqua reservoir covers, helping reduce evaporation and contamination of the nutrient solution inside the reservoir.

It lifts off easily for quick access to the reservoir for routine maintenance, such as checking pH or adding nutrients.

Key Features & Benefits

• Fits All Sizes — Compatible with every Active Aqua reservoir cover size offered.
• Reduces Evaporation — Helps keep evaporation and airborne contamination out of the nutrient solution.
• Quick Access — Lifts off easily for routine maintenance tasks.
• Black Finish — Matches Active Aqua reservoir cover styling.

Who Should Use an Active Aqua Reservoir

Growers using an Active Aqua reservoir cover who want to limit evaporation and contamination while still being able to quickly check pH or add nutrients will find this porthole cover useful.

Why Cover the Porthole?

Leaving the access porthole uncovered allows evaporation and airborne contaminants into the nutrient solution; a porthole cover closes that gap while still allowing quick access when needed.

Frequently Asked Questions

What does this porthole cover fit?

All Active Aqua reservoir cover sizes.

What does the porthole cover help prevent?

Evaporation and contamination of the nutrient solution.

Can I still access the reservoir for maintenance?

Yes, it lifts off easily for tasks like checking pH or adding nutrients.

What color is this cover?

Black.