- Free of Parasites
- All of our macroalgaes are kept in their own closed system. They are cleaned, treated, quarantined, and inspected before they are sent to you. This ensures that no unwanted pests & parasites make it into your tank.
- Add Color & Texture
- Remove Excess Nutrients
- Thick Ogo grows at a moderate pace and cleans your tank by consuming excess Nitrates & Phosphates for easy nutrient export. Balance your nutrient levels and watch your in-tank ecosystem thrive!
Thick Ogo - Red Gracilaria
The Thick Red Ogo Gracilaria plant is an exceptionally beautiful macroalgae. Between bright red and bergundy in hue and thick fronds, it adds a splash of color and texture to any refugium or saltwater aquarium. Thick Ogo is a fast growing and hardy macroalgae when kept under proper conditions. It is also great for nutrient export in saltwater aquarium systems. Additionally, it is prized by many herbivorous fish keepers (especially tangs) as a healthy live seaweed food. Pro Tip: Red Ogo Gracilaria can be grown out in the refugium and new growth can be trimmed and fed to herbivorous fish as a tasty treat.Size and Care Requirements:
- Purchase Size: 4"-8" (Length) - 0.75 - 1 ounce portion
- Max Size: approximately 12″ (length)
- Water Parameters: 78-83° F, dKH 8-12, pH 7.8-8.4, sg 1.023-1.025
- Color: Pink to deep red
- Reef-Safe: Yes
- Fertilization: Generally, there will be more than enough nutrients and minerals present in the aquarium water to support this species. It may in certain cases be advantageous to dose certain vital elements (iron, iodine, etc.).
Benefits of Aquacultured Thick Ogo Macroalgae
Aquacultured thick ogo macroalgae provide a huge advantage over wild-caught specimens. For instance, if cultivated in captive conditions, they are better adapted to living in an aquarium. They are also less likely to harbor unwanted hitchhikers. Moreover, aquacultured specimens are better able to handle shipping stress. Most noteworthy, by purchasing captive-bred livestock you support the aquaculture of marine organisms and help to make our hobby more sustainable! AlgaeBarn keeps thick ogo in a macroalgae-specific system to minimize the transfer of fish parasites and other unwanted hitchhikers.100% Alive on Arrival (AoA) Guarantee
We guarantee that all macroalgae we sell will be Alive On Arrival and in good health. Should they arrive in any other state, we will either replace them free of charge (including shipping). We issue store credit if the total livestock loss is less than $40. For more information, please also visit our 100% Alive On Arrival Guarantee page.

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Our Guarantee
We take the worry out of buying Live Copepods, Phytoplankton, Inverts, and Captive Bred Fish online by going above and beyond to take care of our customers. That’s why we guarantee every order we ship will be 100% Alive On Arrival or we will replace it free of charge. Booya. We’ll even cover the shipping on the replacement no matter which service you choose. Double Booya.
About our policy: 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. We’ll give you 12 hours after delivery to make sure you are completely satisfied.
“We will take care of you and make it right”
If for any reason you decide something isn’t quite ultra grade, 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. We’ll review the photo and have a replacement out to you faster than a six-line wrasse at feeding time.
Captive Bred Fish: We guarantee every Live Fish we ship to be 100% Alive On Arrival and we also offer a 7-day health guarantee on all Live Captive Bred Fish. In the event that your fish arrives DOA (Dead On Arrival), simply take a photo of the fish in the unopened bag/jar within 2 hours after delivery and visit www.algaebarn.com/claims to submit the form. If the fish is DOA, we will offer you a choice of either a full refund or a free replacement, including the shipping cost. If the fish expires from natural causes (this does not include being killed by tank mates, jumping out of the aquarium, being acclimated to the wrong environment, not being fed the recommended foods) within 7 days after delivery, just provide a picture of the expired fish and we will offer you a free replacement, however, you must pay for shipping, or a refund, less the shipping cost. We can offer this industry leading guarantee on all of our live fish because Captive Bred fish are generally healthier and hardier than their wild-caught counterparts!
Invertebrates: We guarantee every invertebrate (Invert) we ship to be 100% Alive On Arrival. In the event that your inverts arrive DOA, simply take photos of the DOA items within 2 hours of delivery and visit www.algaebarn.com/claims to submit the form. We will review the photos and issue store credit for any DOA Inverts!
Once your replacement order is processed, we’ll send you a brand new tracking number automatically. Thats it, pretty simple right?
So start giving your tank the love it deserves and order with confidence knowing that AlgaeBarn has your back.
