Why reefers choose this
Kills the glare
Focuses light down into your tank instead of into your eyes across the room.
Protects your PAR
Directs output where corals need it, so brightness lands on the reef, not the ceiling.
Exact-fit design
Modeled around this exact light — slides on cleanly with no wobble and no blocked airflow.
Made in-house in Chicago
Designed, made and supported by reefers who run the same tanks you do.
Everything you need to know
About this product
Introducing the Neptune GRO Light Shade, a game-changer for aquarium enthusiasts. Designed to fit seamlessly over your existing light fixture, this shade focuses and directs light precisely where it's needed in your aquarium. Say goodbye to worries about algae growth in your skimmer, reactors, and other parts. With the Neptune GRO Light Shade, you can promote optimal growth conditions for your marine life.
Key Features:
- Precision Lighting: Directs light to prevent nuisance algae growth in skimmers, reactors, and other aquarium parts.
- Customizable: 2" tall with options for custom sizing to fit your unique needs.
- Durable and Safe: Made with high-quality materials that are safe for your aquatic environment.
- Easy Installation: Set up in minutes and compatible with various light models.
Why Choose Neptune GRO Light Shade? Aquariums are not just about the fish and corals; it's about creating a balanced ecosystem. Lighting plays a crucial role in this. The Neptune GRO Light Shade ensures that your lighting is optimal for photosynthesis, promoting healthy growth of macroalgae and keeping unwanted algae at bay. Whether you have a reef aquarium or a freshwater tank, this light shade is a must-have addition.
Note: Neptune GRO LED light NOT INCLUDED.
Due to its high demand, please allow 1-2 weeks for delivery.
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Frequently bought together
Add-ons total: $0.00
Added alongside the item above — pick its options first, then bundle these in.
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Good to know
Is this reef-safe?
100%. We use PETG, ASA and acrylic — inert, aquarium-safe materials with no coatings, no leaching, and no additives. Any magnets are fully sealed for saltwater.
When will my order ship?
The estimated lead time near the add-to-cart button is updated daily from our real order data. You'll get a tracking email the moment it ships — or watch it live on our order tracker.
What if it doesn't fit or arrives damaged?
Contact us within 30 days and we'll make it right — replacement, exchange, or refund. Snap a photo for damaged items and we'll ship a replacement without a return.
Not sure this fits your setup?
Message us your equipment model via the chat bubble or contact page and we'll confirm fit before you order — or request a custom part.
No answers found — track your order here, or contact us and we'll help right away.
- Free shipping $125+Fast US shipping
- 100% reef-safeTank-safe materials
- Made in the USAMade in-house in Chicago
- 25,000+ reefersReefer-approved gear





