AC Infinity Heavy-Duty Large Humidity Dome 6x12 Germination Kit, Full Spectrum LED Grow Light Bars w/Samsung LM301H EVO LEDs, Heat Mat, 3 mm Thickest Dome, Trays, Extension Panels, for Seed Starting
Condition: New
Buy Now, Pay Later
As low as
$21.50
/ mo
Learn more
- – 6-month term
- – No impact on credit to apply
- – Instant approval decision
- – Secure and straightforward checkout
Ready to go? Add this product to your cart and select a plan during checkout.
Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.
Learn more about financing & leasing here.
Selected Option
Free shipping on this product
30-day returns
Learn more
FREE 30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
Only 3 left in stock, order soon!
Arrives
Jul 23 – Jul 29
Recently Viewed
Size: Large Full Kit
Features
- Domed germination kit designed to improve seed starting and cloning inside a high-humidity space.
- Clear, heavy-duty 3mm thick dome with glossy finish allows light penetration and provides precise humidity control.
- Heat mat with adjustable dial accelerates seedling growth by steadily emitting even warmth.
- LED grow light bars utilize Samsung LM301H EVO diodes for powerful lighting with unmatched efficiency.
- Durable drip and plant trays with optional height extension panels support up to 72 seedlings and clones.
Brand: AC Infinity
Color: Black
Item Weight: 7.3 Pounds
Frame Material: Aluminum
Inner Material: PS Plastic
Item Weight: 7.3 Pounds
Capacity: 72 load
Color: Black
Frame Material: Aluminum
Inner Material: PS Plastic
Outer Material: Multilayer PVC
Brand Name: AC Infinity
UPC: 819137023888
Manufacturer: AC Infinity
Model Number: AC-HDA
Manufacturer Part Number: AC-HDA
Unit Count: 1.0 Count
Included Components: Humidity Dome, LED Grow Light Bars, Seedling Heating Mat, Tray
Item Type Name: Humidity Dome
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Jul 23 – Jul 29
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
- Klarna Financing
- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
Similar Products
Top Amazon Reviews
Size: Large Full Kit
My husband and I are passionate plant enthusiasts who love gardening, so we were in the market for a reliable germination kit for our seeds. I spent considerable time researching all kinds of options—from traditional, no-frills propagators with simple domes to more advanced automated humidity domes, hydroponic and fogging systems. In the end, we chose this kit from AC Infinity—and the results speak for themselves. Who needs a propagator with a water pump? Not us! This kit makes sprouting seedlings straightforward and effective, without the hassle or potential issues of a pump that can wear out or require replacement. It’s easy to assemble and includes everything you need to get started (except for seeds and growing medium). The full-spectrum LED light bars are exceptionally well-made, featuring high-efficiency Samsung LM301H EVO diodes. We especially appreciate the vented extension panels, which let you raise the dome height to accommodate taller seedlings. The circular vents are another thoughtful touch, allowing you to fine-tune airflow and humidity as needed. The entire unit feels sturdy and well-constructed, and the plant tray supports up to 72 seedlings—a generous capacity for this type of setup. When you compare the cost of a hydroponic propagator with a pump and similar site count, it’s clear this kit offers unbeatable value. The seedling mat includes a temperature controller to maintain optimal soil warmth, while the propagator features a built-in light timer to automate your lighting schedule. Together, these features make it effortless to create ideal germination conditions with consistent results. Overall, this kit has exceeded our expectations. We've consistently achieved at least a 98% germination rate with strong, healthy seedlings. Yet another high-quality product by AC Infinity!
...
show more
Reviewed in the United States on June 4, 2025 by Eva C.
Size: Large Full Kit
This humidity dome is AWESOME. I liked it so much I bought a second one a week later. A system that is expandable and can be accessorized with advanced controls, fans, ect... the only downside I've found is that AC infinity DOES NOT sell the height extenders separately. You must buy another unit to get them, which for me, this time worked out very well. I used the height extensions on my original dome and used to newer one for cuttings and propagation. They are working flawlessly for me. Quality products that im even considering getting 1 more. Then ill have a shorter propagation and cutting dome, a medium sized dome to put the cuttings in to grow, and a larger one to maintain and keep my nicest plants.
...
show more
Reviewed in the United States on June 15, 2026 Reviewed in the United States on June 15, 2026 by michael
Size: Large Full Kit
I was genuinely impressed by how sturdy and well-made this seed starter kit is. The trays are thick, durable, and a great large size — no flimsy plastic here. It comes with both a heat mat and grow light, which makes the whole setup feel complete and absolutely worth the investment. My only wish? That it included some form of humidity control — that would take it from great to amazing. Still, for what you get, this kit is a solid 5 stars.
...
show more
Reviewed in the United States on August 4, 2025 by GN
Size: Large Full Kit
You get what you pay for! There are higher priced than others, but they are QUALITY!!!! I was able to clone my first 40 plants using these with an amazing success rate. The thickness of the dome makes a difference. Super easy to put together (I just glanced at the instructions and got it right). All the components fit like a glove!
...
show more
Reviewed in the United States on December 9, 2025 by Heather M
Size: Large Full Kit
Mostly wanted this for starting seedlings, but it works well for clones too. Comes with the height extender. The lights are superb and lock in securely on the outside top with each bulb fitting into its own bubble like a lense. The warming mat gets it too hot even on low, as the dome is adequately heated by the lights. Definitely retains the humidity and only needs a look about once per day. Best success with seedlings to date. No crazy stretch and nearly zero mortality rate. The tray is perfect for rock wool plugs and is removable for using peat cups if desired. Love this unit!
...
show more
Reviewed in the United States on May 24, 2025 by Zeal
Size: Large Full Kit
Great and quick ship and very happy
Reviewed in the United States on May 23, 2026 by S. L. Lewandowski
Size: Large Full Kit
This humidity dome is very sturdy and the fit is perfect for standard trays, giving it a clean and professional look. The ease of assembly makes setup quick and simple, and the overall functionality works exactly as intended for maintaining consistent humidity levels. Its generous capacity provides plenty of space for seedlings or clones without feeling cramped.
...
show more
Reviewed in the United States on February 4, 2026 by Aalayha
Size: Large Full Kit
This is a great seed starter unit! It is very sturdy and easy to use. I already have tomatoes and hot pepper seedlings sprouting. The light timer and heat mat and controller make all the difference in the world. Highly recommended.
Reviewed in the United States on February 24, 2026 by Scott Aldredge