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Gilad Susel

Is Red Light Good For Corals? Do They Actually Need It?

We all know that aquarium corals do great with blue lights. However, less is known about red light and its role in coral growth. There is a common debate claiming that red light contributes to the photosynthesis of algae, and is therefore essential for corals as well. However, some researchers argue just the opposite. So, …

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Is Blue Light Good For Corals? (Common Mistakes To Avoid)

We all know that blue light is a common practice in reef tanks. Some aquarists even claim it makes their corals glow brightly. But how do corals actually react to blue light? Is it good to use this color in a coral tank? These are the questions I constantly asked myself in my early days …

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Why Is My Fish Tank Cloudy? (With Quick Solutions)

Almost every aquarist will experience cloudy water in their fish tank at some point. This issue can be quite discouraging, as you can hardly see the inhabitants of the tank or its decorations. From my experience, this topic can be split into two common scenarios: So, in this article, I will list the most common …

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Why Is My Fish Keeping Its Mouth Open? (5 Common Reasons)

We all know how aquarium fish often open and close their mouths repeatedly. This is quite common, especially among goldfish and koi fish. However, sometimes, certain fish will keep their mouths open. When I first saw it myself, I got a little worried, as I didn’t know if my fish was sick or disturbed. Fortunately, …

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When To Use Blue Light In Aquariums? (The Precise Schedule)

One of the questions I kept asking myself in the early days of fishkeeping was when exactly to use the blue light we are all familiar with. I knew the color was meant to mimic moonlight and allow the fish to gradually transition from day to night. But I had no idea when to turn …

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What Does Blue Light In Fish Tanks Do? (6 Essential Benefits)

Almost everyone has seen blue lights in an aquarium at least once, whether it’s at a restaurant or at a friend’s house. But not everyone knows what it does. Since I have been asked this question countless times in the past, I decided to devote an entire article to this topic. In this article, I …

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Is Blue Light Good For Aquarium Plants? (& How To Use It)

As an experienced fish owner, I am very familiar with blue light and its role in aquariums. However, until recently I thought of it mainly in the context of fish. But obviously, there are other creatures in the average fish tank, including live plants. This immediately raises a question: can I use the blue lights …

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Can I Use Blue Light In My Shrimp Tank? (With Essential Tips)

Many fish owners know that blue light can benefit fish, as it helps them transition from day to night. But what about shrimp? Can we use blue light with them as well? Is there anything special we need to know first? Over the years, I’ve learned all about these questions, and now I’m ready to …

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