- 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
Red Sea Reefer 425 (G3) Lid
Red Sea Reefer 425 (G3) Lid
Precision-crafted for your specific aquarium, Fragtide custom lids deliver a sleek, secure, and reef-safe solution designed to protect your tank without sacrificing light, airflow, or aesthetics.
Each lid is made to order and CNC-cut for an exact fit, providing peace of mind against jumpers while maintaining a clean, modern look that seamlessly complements your setup.

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.