Clean Sea Lettuce - Live Ulva Lactuca Algae

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1oz Clean Sea Lettuce Algae

SKU: 212752

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2oz Clean Sea Lettuce Algae

SKU: 212753

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4oz Clean Sea Lettuce Algae

SKU: 212754

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8oz Clean Sea Lettuce Algae

SKU: 212755

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This item ships directly from AlgaeBarn.


Ulva sp, commonly known as Sea Lettuce, is a delicate, leafy-green macro algae common to shallow, rocky reef ennvironments worldwide. 


AlgaeBarn's Clean Sea Lettuce (Ulva lactuca) is aquacultured in a controlled environment allowing them to treat and quarantine it, reducing any risk of unwanted parasites or hitchhikers within the algae. Sea Lettuce is a popular choice for refugiums thanks to its hardiness and ability to quickly reduce nutrients through rapid growth.This leafy green macroalgae is not only valuable for maintaining water quality, but small beneficial benthic creatures like copepods, isopods, and amphipods will often take up residence amongst the leafy growth. Many reefers utilize a refugium setting to grow the algae within the sump which makes harvesting and managing the growth a breeze. Another huge benefit to growing Sea Lettuce is that is can help in moderating your aquarium's pH levels when running the refugium on a reverse photo-period from the display tank. This Ulva is also prized as a source of nutritious live seaweed for herbivorous fish such as tangs and rabbitfish. Clean Sea Lettuce can be grown in the refugium and trimmings can occasionally be fed to hervivorous fish as a tasty treat.


Five Sizes Available:

  • 1oz (approx golf ball size) 
  • 2oz (approx softball size) 
  • 4oz 
  • 8oz  
  • 16oz 


How To Add Clean Sea Lettuce to your Aquarium

Adding macroalgae is pretty easy and we highly suggest quarantining or at a minimum rinsing the algae with fresh saltwater before it is added to your tank. It will grow best in a dedicated refugium that has a moderate flow with a proper horticulture spectrum light like the Kessil H-series LED fixtures. We suggest starting with an 8-hour per day photoperiod, and adjusting the amount of light it receives as needed to maintain a bright green color and good growth.


Clean Sea Lettuce Maintenance

Really the only maintenance you will need to do with this algae is to harvest it when your refugium becomes full or in some cases starts to become too efficient at consuming nutrients. Every saltwater aquarium will be different, so it is very difficult to give a time frame, however, most reefers will harvest small amounts regularly instead of one large harvesting session sparingly. Harvesting small amounts regularly will produce a more stable growth and nutrient uptake rate.


PLEASE NOTE: AlgaeBarn goes to great lengths to treat, quarantine and remove any unwanted parasites, hitchhikers, and other organisms from their macroalgae. However, they do not guarantee that it is completely and totally free of anything unwanted. This is because sometimes spores, eggs, etc. can remain viable but not visible, despite the strict quarantine procedure. As a result, we always recommend that you properly quarantine anything new that you are adding to your tank.


AlgaeBarn's Alive on Arrival (AOA) Guarantee!

AlgaeBarn takes all the worry out of buying live copepods and phytoplankton online by going above and beyond to take care of their customers.

That’s why they guarantee every order we ship will be 100% Alive On Arrival or they will replace it free of charge. They will even cover the shipping on the replacement.

When your order arrives, be sure and inspect the contents to ensure everything is looking alive and well before you add them to your tank or put them in the fridge. AlgaeBarn gives 12 hours after delivery to make sure you are completely satisfied. If for any reason you decide something isn’t quite right, simply snap a photo of the unopened item(s) you would like replaced. Be sure to get the expiration date on the back label in the photo. After that, visit www.algaebarn.com/claims and submit the form. They will review the photo and have a replacement out for you faster than a six-line wrasse at feeding time. Once your replacement order is processed, AlgaeBarn will send you a brand new tracking number automatically.

So start giving your tank the love it deserves and order with confidence knowing that AlgaeBarn has your back.

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