Plastic Aquarium Bottom Filter Plate & Grid Divider Tray

Keep Your Aquarium Clean & Healthy with a Bottom Filter Plate

This plastic aquarium bottom filter plate is a smart, low-maintenance solution for keeping your fish tank's gravel layer fresh and water circulating properly. Designed to sit beneath the substrate, it promotes under-gravel water flow, reducing the build-up of waste and organic matter that can compromise your tank's environment. Compatible with both freshwater and saltwater setups, this versatile grid tray is a must-have for any aquarium enthusiast.

Product Specifications

• Material: High-quality plastic
• Size: Approx. 14.5 cm × 14.5 cm (5.7" × 5.7")
• Color Options: Black / White
• Compatible With: Freshwater & saltwater aquariums
• Package Includes: 1 × Bottom Filter/Grid Plate
• Made in Mainland China

Key Features

• Under-Gravel Filtration: Circulates water beneath the gravel layer to reduce sediment decay and keep your tank cleaner for longer.
• Easy Install & Remove: Simple to put in place or take out — no special tools needed, and the durable plastic won't bend or snap under normal use.
• Freshwater & Saltwater Ready: Works seamlessly in all types of aquarium environments.
• Clean Grid Design: The square grid pattern acts as a useful divider and support tray, ideal for aquatic plant arrangements and tank organization.
• Aquarium-Safe Plastic: Made from sturdy, fish-safe plastic material built to last in a wet environment.

Why You'll Love It

Whether you're setting up a planted tank, organizing your substrate, or simply wanting better under-gravel water circulation, this filter plate makes aquarium maintenance straightforward and effective. Its neutral color options (black or white) blend naturally with most tank setups, while the durable grid construction holds its shape over time.

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Note: Please allow 0–1 cm variance due to manual measurement. Colors may vary slightly from screen to screen due to monitor settings.

Learn more: U.S. Fish and Wildlife Service

Frequently Asked Questions

Q: What size is the aquarium bottom filter plate?

A: The filter plate measures approximately 14.5 cm × 14.5 cm (about 5.7" × 5.7"). It is designed to be modular, so multiple plates can be combined to cover larger tank footprints.

Q: Is this bottom filter plate suitable for saltwater aquariums?

A: Yes! This plastic aquarium grid plate is fully compatible with both freshwater and saltwater tanks, making it a versatile choice for all aquarium types.

Q: How does the bottom filter plate improve water quality?

A: By sitting beneath the gravel substrate, the grid plate promotes water circulation through the gravel layer, helping to reduce the build-up of decaying organic matter and keeping your aquarium environment cleaner and more balanced.

Q: Is this plate easy to install or remove for cleaning?

A: Absolutely. The plate is designed for simple installation and removal with no tools required. The durable plastic construction means it holds its shape and won't warp, bend, or break under regular aquarium conditions.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.