- No per-cutout fees. Ever.
- Unlimited cutouts — any size, any count
- Feed holes, cord exits, clearance cuts — all included
- Built around your gear, not a template
- Fast turnaround + 1:1 reefer consultation
- Designed reef-first, not mass-produced
- Optional custom inlays if you want to flex
- Ultra-flush fit — no rattles, no gaps
- Dedicated lid specialist from start to finish
- Priority response — under 1 business day
- Lifetime support on every lid
- No per-cutout fees. Ever.
- Unlimited cutouts — any size, any count
- Feed holes, cord exits, clearance cuts — all included
- Built around your gear, not a template
- Fast turnaround + 1:1 reefer consultation
- Designed reef-first, not mass-produced
- Optional custom inlays if you want to flex
- Ultra-flush fit — no rattles, no gaps
- Dedicated lid specialist from start to finish
- Priority response — under 1 business day
- Lifetime support on every lid
Fragtide
Fragtide Lid Frozen Food Cup – 50mm Reef-Safe PETG
Fragtide Lid Frozen Food Cup – 50mm Reef-Safe PETG
The Fragtide Lid Frozen Food Cup is designed for clean, controlled, and efficient feeding. 3D printed from reef-safe, aquarium-grade PETG, this 50mm cup ensures complete safety for your livestock and water chemistry while delivering precision feeding every time.
Perfect for frozen foods, coral foods, and small pellets, it drops seamlessly into most Fragtide lids, cutouts, feeding stations, or custom mounts. The cup keeps food contained, allowing your fish and corals to feed without food blowing across the tank or disappearing into your overflow.
Built for durability and easy cleaning, the Fragtide Frozen Food Cup is made to handle everyday reefing — and built to last.
Key Features
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50mm Fragtide fit: sized to work with most Fragtide lids, feeding ports, and mounts
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Reef-safe PETG: aquarium-grade material that won’t leach or affect water chemistry
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Controlled feeding: keeps food contained and reduces tank waste
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Versatile use: ideal for frozen foods, coral foods, and small pellets
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Durable & reusable: strong PETG construction; easy to rinse and reuse
Click here to preview available colors.

How Your Fragtide Custom Lid Is Built
Every Fragtide lid is designed, reviewed, and built specifically for your tank — not mass-produced, never rushed.

From design approval to shipment
1. Place Your Order
You submit your order or request online, securing your place in our custom build queue.
2. One-on-One Consultation
We personally review dimensions, equipment, cutouts, notches, and all custom details.
3. Design Visual Approval
A custom design proof is created so everything is verified before cutting.
4. Client Approved Design
Nothing moves forward until you approve the design.
5. Production
~7 business days for precision cutting, finishing, and inspection.
6. Pack & Ship
Carefully packaged and shipped via USPS, UPS, or FedEx.
Why Our Process Is Different
Every Fragtide lid includes design time, revisions, hands-on machining, and inspection — all focused on protecting your reef and your investment.