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Dinkins Aquatic Gardens live phytoplankton with zoomed-in phytoplankton cells

How Much Live Phytoplankton Do I Need to Buy for My Reef Tank?

Every reef tank is different, so we suggest taking a look at our Dosing Guide to get an idea of how much live phytoplankton you'll be feeding your reef each day. Once you have your desired daily dosage, simply multiply that by 30 to figure out how much you need to buy each month.

For ease and convenience, we suggest setting up a monthly subscription for the appropriate amount of phytoplankton - you'll also save 15% off retail pricing.

Below you'll see some suggested "ballpark" numbers based on your tank size.

What size is your tank?

My tank is 30 gallons or smaller

We recommend our Live Phytoplankton 32 Ounces for this size tank. Please see our detailed instructions for live phytoplankton dosing.

My Tank is 31 - 70 Gallons

We recommend our Half Gallon Live Phytoplankton for this size tank. Please see our detailed instructions for live phytoplankton dosing.

My tank is 71 - 140 Gallons

We recommend our One Gallon Live Phytoplankton for this size tank. Please see our detailed instructions for live phytoplankton dosing.

My tank is 141 - 200 Gallons

We recommend two of our One Gallon Live Phytoplankton for this size tank. Please see our detailed instructions for live phytoplankton dosing.