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Purchasing Large Coral Colonies vs Frags for your reef tank

Aside from all different Coral types such as LPS, SPS, Soft Corals, & Zoanthids. You can choose between Coral Colonies and Coral Frags

Deciding between Coral Frags & Colonies will be a decision you have to make personally and what fits your budget and tank. Read along to see which is the best fit for you

by scott Shiles • March 14, 2023

Zoanthids Coral Care, SPS Coral Care, LPS Coral Care, All Corals

When it comes to purchasing coral for your reef tank, you have two main options: large coral colonies or frags (short for fragments). Both options have their advantages and disadvantages, and the decision ultimately depends on your personal preferences and the needs of your tank.

Large coral colonies:


  • Instant gratification: large colonies can be visually stunning and can provide an instant visual impact to your tank.
  • Easier to manage: large colonies are often more stable and require less maintenance compared to frags.
  • Better for larger tanks: if you have a larger tank, large colonies can fill up more space and create a more natural-looking environment.


  • More expensive: large colonies can be more expensive than frags.
  • Higher risk: large colonies may be more prone to dying due to shock during transport or acclimation to your tank.
  • Limited variety: you may have a limited selection of large colonies to choose from compared to frags.



  • Less expensive: frags are generally more affordable than large colonies.
  • More variety: you may have a wider selection of frags to choose from compared to large colonies.
  • Lower risk: frags are often more resilient and can adapt better to your tank environment.


  • Smaller size: frags are smaller and may take longer to grow and fill out in your tank.
  • More maintenance: frags may require more attention and care to ensure they grow properly and don't get overtaken by other corals.
  • Less immediate impact: frags may not provide an instant visual impact to your tank compared to large colonies.

Ultimately, the decision between purchasing large coral colonies or frags depends on your personal preferences, budget, and the needs of your tank. It's always a good idea to research the specific coral species you are interested in and talk to other reef tank enthusiasts to get a better idea of which option may be best for you

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