All too often on social media I see people posting pictures of 'specks' on the glass or small invertebrates with the caption 'can anyone ID these'. The answer that often comes in the comments section is 'pods' which whilst not often wrong isn't always that helpful. So, this blog is all about answering the question, What are pods?

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What are Automatic Filter Rolls? What do they do? How do they work? Should I get one for my setup? In this Blog we're going to look at automatic filter rolls, the pros/cons and answer all of those questions you have about them.

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What is a frag? 

A frag is just like a plant cutting. It is a piece of coral which has been broken off or cut from a larger piece of coral to grow into a large coral all over again. It isn't a new coral to be exact but rather an exact copy of the original coral from which the frag came. The polyps of the coral will clone themselves and over time will grow into a copy of the original. Fragging corals is a great way to keep on top of corals which are getting too big and also makes for a cost effective way of adding corals to your reef because a frag will always be less expensive than buying the original larger coral. You can get coral frags of SPS, LPS and Soft Corals.

There are frags on the RnC website which can be found at the link below;

CLICK HERE FOR LATEST FRAGS

And if you want to read more information about frags, the pros and cons, then follow the link below to the Frags 101 blog post; 

CLICK HERE FOR FRAGS 101

What is a Coral Colony?

A Coral is an animal with a calcium carbonate skeleton covered in tissue and polyps. These polyps can be either small or large depending on the type of coral, hence LPS - Large Polyp Stony coral or SPS - Small Polyp Stony Coral. These polyps are identical to one another and replicate when the coral grows. They essentially 'colonise' an area on the reef by asexual reproduction which gives way to the name 'Coral Colony'. In the hobby we tend to use the term colony to define the size of a coral which can be quite subjective depending on who you speak to. A generally well accepted definition of what constitutes a colony is when the coral visually represents what the natural growth form of the coral is at its full size. This is easier for the likes of Acropora where one branch would be a frag and multiple branches which look just like a miniature version of the larger coral would be considered a colony or specifically in this scenario a 'mini colony'. It's more difficult for corals like Favia or Montipora where the growth is flat and encrusting. Defining 'colony' size of this coral is subjective but I would say it's somewhere around the size of a coffee coaster or larger, but again this is really subjective. 

On the left is a Strawberry Shortcake frag and on the right is a Strawberry Shortcake colony. 

To really put it in perspective, corals on the actual reef can reach huge sizes and the corals that we in the hobby define as Colonies are in all honesty just frags of the original huge corals in the reef so it really is subjective all the way back to the ocean.  

You can see our frags and colonies for sale in the livestock section of the website;

CLICK HERE FOR LIVESTOCK

 Or read more about what a frag is here;

CLICK HERE FOR WHAT IS A FRAG?

What is flow?

Flow is the water movement inside your aquarium. It is often referred to by an amount such as litres or gallons per hour. This is calculated by taking the output from powerheads or wavemakers in your aquarium. We use powerheads or wavemakers to push water around inside the aquarium to create a 'flow'. Many corals and livestock rely on flow in order to survive and thrive so the type of flow is just as if not more important than the amount. When considering whether your flow is adequate in your reef look for dead spots where detritus is settling and adjust your wavemakers to prevent these dead spots from occurring. We're trying to replicate the ocean so consider waves crashing on the reef and how much water moves around with every wave, this is what we're trying to copy albeit on a smaller scale. 

Have a look at wavemakers and powerheads here;

CLICK HERE FOR WAVEMAKERS AND POWERHEADS