Compact reactor
AK Culturi-S Pro
The all-in-one 1 L phytoplankton reactor: sealed glass vessel, tunable light and the air pump built in. Sized for nano reefers and anyone starting their first culture.
- Culture volume
- 1 L (33.8 US fl oz)
- Feeds tanks to
- 370 US gal
- Light
- RGB + CCT
- Built
- Texas, USA
$199.00USD
This item is very popular, join the queue now to get yours as early as possible. Delivery expected by September 16.
Ships with a US plug, for standard 120 V homes across the US and Canada. In Australia? The AU model lives on our AU store. Anywhere else, ask us for a foreign shipping quote and we will sort it out.
- Free step-by-step Launchpad guide
- Air pump built in
- Reusable vessel, no bag kits
- Made and shipped from Texas
Launchpad
New to culturing, or giving it another go?
Plenty of people write culturing off after one bad run with a jar and a bit of luck. Almost none of them were ever shown the part that actually matters, so we wrote it down. The Launchpad is our free, step-by-step guide, and the Culturi-S Pro has its own walkthrough inside it.
Eleven steps in total: four to get the reactor ready, then seven you repeat for every batch. No jargon, no guesswork, and nothing you need to buy to read it.
- 40 min Setup
- 5 to 7 days Harvest
- 1 L Working volume
- Set up onceUnbox, fit the rigid tubing, sterilize, prepare your saltwater.5 steps
- Every batchFill, fertilize, add your starter, open the airflow, watch it darken, harvest, reset.7 steps
One light, two jobs
Tune the light to what you are growing
The Culturi-S Pro carries a smart RGB and CCT LED, tunable from 3000 to 6500 K and dimmable, so the spectrum is yours to set.
Phytoplankton thrives under bright white light. Full output, run long and steady, and the culture greens up fast.
Macro-algae responds best to strong red and blue spectrums, so the light drops the middle of the range and pushes the two ends.
No extra hardware and no second unit. The light does it.
Set it once and leave it
Schedule the light from your phone, or just ask. The light pairs with Alexa and Google Home, so a culture cycle keeps itself honest whether or not you remember it.
Second vessel
Move the vessel, not the phyto
With a spare vessel
No bottles
Just swap the vessel
No second light needed
When a culture is ready, carry the whole vessel over to your dosing station and put the spare on the light. No decanting into bottles, no funnel, no rinsing something out before you can use it.
The kit is a complete second vessel: lid assembly, seals and rigid tubing, ready to run on the light unit you already own.
In the box
- 1x 1 L reusable glass vessel
- 1x AK Culturi lid, with seals, tubing cap connector and pressure-release valve
- 1x Glass rigid tubing
- 1x 8 mm to 4 mm airline connector
- 1x AK Culturi light unit, smart RGB+CCT LED with the air pump built in, US plug
- 1x Rigid tubing cleaner
- 1x Microfiber cleaning cloth
- 5 ft 4 mm flexible airline tubing
Specifications
- Culture volume
- 1 L (33.8 US fl oz)
- Harvest
- Full 1 L every 5 to 7 days
- Yields phyto for
- A 370 US gal reef
- Dose rate
- 10 mL per 100 L daily
- Light
- Smart RGB+CCT, 3000 to 6500 K, dimmable
- Control
- App, Alexa and Google Home
- Power
- US plug, 120 V
- Air
- Pump built in
- Cultures
- Phyto, macro-algae
- Shipping weight
- 2.73 lb
- Built
- Texas, USA
Full product description
The AK Culturi-S Pro is a fully reusable 1-liter phytoplankton reactor: no disposable culture bags, no recurring consumable kits, no plastic landfill. Just a sealed glass vessel that grows the next batch the same way it grew the last one.
- Reusable glass vessel. Clean and refill. No bag kits to buy month after month.
- Smart RGB+CCT LED. Tunable 3000-6500K white plus full RGB, dimmable, app-controlled, Alexa and Google Home ready.
- Plug and play. Built as an all-in-one, not a kit. Light, air, vessel, and valves, assembled and ready out of the box.
- Made in Texas. Manufactured and shipped from the United States. No international wait, no customs surprise.
- Compact 1L capacity. Sits on a benchtop. Perfect for nano reefers and starter phyto culturing.
- Full Launchpad guide included. Most live-food vendors guard their methods. We publish every step at the Culturi-S Pro Launchpad: water volume, dosing, lighting schedule, harvest timing, the lot.
For reefers who want a phytoplankton reactor that fits a 2026 reef setup: controllable, reusable, transparent, and built like a piece of equipment instead of a science fair project.
Fully serviceable
Every part of the unit is serviceable and replaceable. Nothing is sealed shut or thrown away when one component gives out.
1 year warranty
Hassle free, fast replacement for any light, pump or seal issue. Send a quick video and we sort it out.
This product is 3D printed, manufactured on top-end printers. It is tried, tested and endorsed by many reefers for its convenience, including improved sterility over typical DIY setups, its appeal, and the included guidance that significantly contributes to everyone's success.
Round it out
