Achieving maximum polyp expansion is super desirable for coral keepers everywhere.   Nice skeleton colors are not enough we want to see those tentacles waving too! Softies and LPS corals of course are the easiest corals to achieve optimal polyp expansion if those corals are healthy with appropriate lighting, stable and high quality water- you’re […]

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There are a ton of factors that influence whether your corals are bright, vivid, desirable colors…or brown!   Light is the most important factor , but there’s also nutrients, alkalinity, trace elements, water movement, protein supply to consider too. Corals develop the colors we love as sunscreen against damaging UV rays, the problem is that […]

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When it comes to choosing stony corals there are a lot of choices…   Personally I always recommend LPS corals over SPS corals, especially to newbies. Here’s why I’m so fond of them:   LPS are so diverse and easier to please compared to SPS corals which are way more demanding in terms of care […]

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Good quality aquarium water means consistently low levels of nutrients…   Phosphates, along with nitrates and silicates are the saltwater aquarium “big 3” of chemical nutrients you don’t want accumulating unchecked in your saltwater tank. In low levels phosphates will harm corals and promote pest algae growth and in high levels they can kill corals! […]

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Did you know pests, predators or diseases don’t actually cause most of the common problems with corals?   In fact pests, predators and diseases are usually not the reason your polyps wont expand, your corals stop growing and your prized coral is starting to turn to slime…   Before I tell you what is, I […]

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Figuring out what is wrong with your coral can seem like a daunting task…   Fish are much easier to diagnose because they exhibit many different physical and behavioral symptoms. But corals just sit there and look very sad indeed. In fact, a lot of coral problems simply resemble coral tissue turning into slime to […]

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A thriving reef tank is a living work of art, but so many people fail with their reef aquariums wasting a lot of time and money.   There is a very fine line between happy tank and marine life support system breakdown with a living reef in your home. This is especially true for smaller […]

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Problems with corals and sessile inverts are notoriously hard to diagnose…   Here’s my quick guide of how to diagnose symptoms of ill health and correct the problem. Fish usually display obvious symptoms specific to a particular problem. But sessile invertebrates (ones attached to the substrate for example corals and anemones) most often do not! […]

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What you need to know to get softies thriving in your tank…   Not only are soft corals the easiest corals to take care of, but they have some truly fascinating forms and amazing colors that will add interest and beauty to any saltwater aquarium. Soft corals have highly interesting forms and shapes and are […]

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What could be the cause of a reef aquarium with soft corals shrinking and diminishing while the hard corals are thriving at the same time??? Today’s blog post is inspired by a question from Lori who emailed me via www.SaltwaterAquariumAdvice.com, who is having this very problem. She asks me “ my soft corals are diminishing […]

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