The Discus fish aquarium care guide
Something not right with your discus? The free Health Checker tells you the likely cause and what to do now, in under a minute.
New · On sale now
Resin filter bags: lower nitrate, clearer water, no bleach
My tap water comes in at up to 40ppm nitrate. With these bags in my discus tank’s filter, it’s now under 5ppm. They’re hand-sewn and packed in the UK, and you recharge them with plain salt.
From £30 · Free UK delivery · Results from my own tank; yours will vary.
Free tools for discus keepers
Discus Health Checker
Dark colour, not eating, white poo or fast breathing? Answer a few quick questions and find out what to do next.
Free guide: 7 Mistakes That Kill Discus Fish
The most common mistakes new and experienced keepers make, and how to avoid them. Straight to your inbox.
Get your water right
Clean, stable water solves most discus problems before they start. Here’s how to get it right.
Considering Keeping a Discus Aquarium?
There is vast amounts of aquarium care info on the web and social media for Discus fish (or Symphysodon), some good and some bad. I’m not claiming to be a tropical fish expert. But I have years of experience and have seen the good and bad advice. I want to share what I have found to work and not work.
What to consider before you start keeping a discus aquarium
Are you sure you want to keep these fish?
You’re going to need time, patience and consistency. You cant skip maintenance.
How much time is needed?
If you don’t enjoy the maintenance and aquarium care, keeping these fish might not be for you
These are the more expensive aquarium fish
Discus fish are the more expensive tropical fish for your aquarium, I’ll give you an idea of how much
Latest
Starting a Discus Tank
If I was starting again, here’s what I would do.
Beginners Guide to Buying Discus
Buying Discus? Here’s what you need to know.
Just How Difficult is a Discus Aquarium
Are they really that difficult? Find out more.
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@discus.switch