AquariumHelp

A place for aquarists to go for help. Need help with sick fish, dying plants, or water quality? This is the subreddit for that.

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Which test strips to trust?

Posted 20th Apr 2026u/AJMack115

White lumps on two of my cardinal tetras?

Posted 20th Apr 2026u/flatgreysky

Just got this and got it to work, do you think it will be fine?

Posted 20th Apr 2026u/Impossible_Reply1644

Please help - found an Aquarium pt 2

Posted 19th Apr 2026u/ComprehensiveRest965

Help diagnosing Cardinal Tetras

Posted 19th Apr 2026u/Deepseadivin

GBR sudden white spot

Posted 19th Apr 2026u/FalseTourist5068

HELP, my fish are dying!

Posted 19th Apr 2026u/msquirkyalone

What are these small worm like creatures?

Posted 19th Apr 2026u/Dat-R1CE-Guy

Please help - found an Aquarium

Posted 18th Apr 2026u/ComprehensiveRest965

Why does my betta do this?

Posted 19th Apr 2026u/Lost_Nerve3645

Nipping or infection?

Posted 19th Apr 2026u/BrandinoE6911

Posted 19th Apr 2026u/javimoreno1

tiny ish crack spotted

Posted 19th Apr 2026u/TraphicRush

new 40x40cm aquarium and need advice on my fish choices!

Posted 19th Apr 2026u/Anxious-Landscape127

Will Cherry Shrimp eat this?

Posted 18th Apr 2026u/Dripsic1

Ca anyone tell me if this is swim bladder i need a second opinion and if so what do i do

Posted 18th Apr 2026u/Ordinary-Cake9699

Before buying more catfish

Posted 18th Apr 2026u/JorgeUvamesa

Can anyone help me with my tank,

Posted 18th Apr 2026u/Bababoo2011

Best Community Fish That Actually Get Along Together (12 Peaceful Picks)

Posted 18th Apr 2026u/hbakmis

What are those white dots?

Posted 18th Apr 2026u/breathless0_1

Little black jumping bugs

Posted 18th Apr 2026u/Turbulent_Cookie_24

Something wrong with otocinclus

Posted 18th Apr 2026u/ReadersMuse

Beginner Cycling Question

Posted 18th Apr 2026u/Ipael

Wha does this weird poop mean?

Posted 18th Apr 2026u/chriscjj

Betta tank prep

Posted 17th Apr 2026u/melissazzzz

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