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Choose the bottle that matches your reef routine.

Choose shipping for $6.99 or free local pickup before checkout.

Shipping
$6.99 cold-chain shipping or free local pickup
Positioning
Refrigerated live culture for premium reef routines
Checkout
Guest checkout or account checkout through Stripe
Size
Best for
Use case
Price
16oz
Nano reefs, mixed reefs, and first-time buyers
Best for lighter-use systems and smaller tanks
$19.99
32oz
Most mixed reefs and repeat customers
A strong middle-ground for moderate daily use
$27.99
64oz
Large reefs, heavier feeding, and fewer reorders
Best value for high-consumption systems
$34.99
16oz
Live Phytoplankton
Nano reefs, mixed reefs, and first-time buyers
Live Phytoplankton 16oz

Fresh refrigerated marine culture for nano reefs, smaller systems, and first-time daily dosing routines.

Price
$19.99
$6.99 ship / free pickup
Batch tracked
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Easy entry point for consistent daily dosing
Nano reef
Starter routine
Pod feeding
Details
32oz
Live Phytoplankton
Most mixed reefs and repeat customers
Live Phytoplankton 32oz

Balanced option for mixed reefs and hobbyists who want more coverage without stepping up to the largest bottle.

Price
$27.99
$6.99 ship / free pickup
Most versatile size
Choose shipping or pickup
Great fit for consistent weekly routines
Mixed reef
Coral nutrition
Routine dosing
Details
64oz
Live Phytoplankton
Large reefs, heavier feeding, and fewer reorders
Live Phytoplankton 64oz

High-volume supply for larger systems, heavier feeding schedules, and customers who want fewer reorder cycles.

Price
$34.99
$6.99 ship / free pickup
Best value per ounce
Choose shipping or pickup
Built for larger reefs and heavier feeding demand
Large reef
Heavy feeders
Best value
Details
ReefCultures