8Garden aquarium
Aquarium Guides & Practical Tools
Start with a calculator or use a cautious, water-first problem guide. Interactive tools remain available for tank volume, supported product dosage and guided troubleshooting.
Common aquarium problem guides
Fish Gasping at the Surface – What to CheckCheck oxygen, equipment, temperature, ammonia, nitrite and recent aquarium changes when fish are gasping or breathing quickly.Cloudy Aquarium Water – Causes & First ChecksUse cautious, water-first checks for cloudy white aquarium water, including ammonia, nitrite, filtration, feeding and recent cleaning.Fish Dying After a Water Change – Urgent ChecksReview water conditioner, temperature, ammonia, nitrite, aeration and equipment when fish become distressed or die after a water change.New Tank Syndrome – Aquarium Cycling ChecksUnderstand an immature aquarium biological filter and the importance of monitoring ammonia and nitrite while a new tank develops.Ammonia in an Aquarium – Immediate Water ChecksSee water-first actions for a high aquarium ammonia reading, including water changes, aeration, filter checks and retesting.Nitrite in an Aquarium – Immediate Water ChecksSee water-first actions for a high aquarium nitrite reading, including water changes, aeration, biological filtration and continued testing.