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Fin And Flux
Fin And Flux

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Fin And Flux
Fin And Flux

Your Favorite Place for Aquarium Related Topics!

  • Algae Control

Planted Tank Pitfalls: 8 Mistakes That Invite Algae to Move In

Abstract view of yellow-green algae swirls on dark water, illustrating an algae bloom

8 planted-tank mistakes fueling algae in aquariums: lighting, nutrients, CO2, water changes, substrate, pruning, plant choice.

  • Lia Annick
  • March 16, 2026
  • Water Changes

Your First 7 Days with a New Aquarium: A No-Stress, Day-by-Day Guide

Blue fish swimming in a clear blue aquarium

Day-by-day plan for your first week with a new aquarium: setup, cycling, water tests, feeding, maintenance, and troubleshooting.

  • Lia Annick
  • March 16, 2026
  • Aquatic Invertebrates

The Fish Keeper’s Guide to Molting: From Anxious Moments to Healthy Sheds

Close-up of a reef fish with its mouth open among coral and algae, illustrating molting behavior.

Practical molting care for fish & invertebrates: signs, duration, water quality, feeding, aquarium upkeep, and post-molt steps.

  • Lia Annick
  • March 14, 2026
  • Health & Disease

Fish Poop Decoded: Your Quick Guide to a Healthier Tank

Close-up view of a fish fin near the tank glass with water droplets, illustrating careful observation of a fish's health indicators.

Interpreting stool color, consistency, frequency; link to water quality and feeding; illness signs; tips boost aquarium health.

  • Lia Annick
  • March 13, 2026
  • Water Quality

Osmoregulation Unlocked: Why Proper Acclimation and Salt Baths Save Fish Lives

Top-down view of a wooden tray placed beside a bathtub, holding bath salts, a bar of soap, a small bottle, and lit candles.

Osmoregulation explained: science of acclimation and salt baths for niche aquarium fish, pet fish, and tank setup and care.

  • Lia Annick
  • March 13, 2026
  • Health & Disease

Your Aquarium’s Emergency Room: A Stress-Free Guide to Setting Up a Hospital Tank

Close-up of blue disposable surgical masks with white ear loops

Step-by-step guide to a dedicated hospital tank: setup, filtration, cycling, water params, quarantine, meds, maintenance.

  • Lia Annick
  • March 12, 2026
  • Fish Species

Taming the Tank Tyrant: Your Step-by-Step Guide to Stopping a Single Aggressive Fish

Goldfish swimming in a home aquarium, a single fish in a community tank.

Address a single bully in a community tank: identify aggression, adjust layout, add hides, pick compatible mates, or quarantine.

  • Lia Annick
  • March 12, 2026
  • Feeding Guidelines

Your Tiny Fry’s First Feast: Mastering Infusoria and Green Water

Aquarium scene showing a school of small yellow-green fish and larger silver fish swimming among rocks and corals.

Infusoria and green water in fry rearing: culture setup, feeding schedules, water quality, risks, troubleshooting, and tips.

  • Lia Annick
  • March 11, 2026
  • Water Quality

Why Your Aquarium Sand is Turning Brown or Black: A Clear Path to a Cleaner Tank

A high-angle view inside a large aquarium facility with blue tanks, metal railings, and technicians performing maintenance.

Diagnose brown/black sand: detritus, bacteria or algae; fix with siphoning, water changes, rinsing sand, and better tank upkeep.

  • Lia Annick
  • March 11, 2026
  • Health & Disease

Bedroom Aquariums: Your Guide to Clean Air, Quiet Sleep, and Healthy Fish

Red fish with white fins swimming inside a glass aquarium in a dimly lit room.

Bedroom aquarium: air quality, noise, health impacts, setup tips, and safe maintenance for peaceful sleep.

  • Lia Annick
  • March 10, 2026
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