Aquarium pH — Complete Diagnosis and Fix Guide

22 May 2026 / By prohobby

By ProHobby™ | Ecological Systems Authority Aquarium pH is the parameter hobbyists worry about most and understand least. Countless aquarium […]

Nitrite in Aquariums: Brown Blood Disease, Toxicity and How to Fix It

21 May 2026 / By prohobby

by ProHobby™ | Ecological Systems Authority Nitrite in aquariums is the least understood of the three nitrogen cycle compounds —

20 May 2026 / By prohobby

by ProHobby™ | Ecological Systems Authority Ammonia is the most common cause of fish death in aquariums, the most misunderstood

19 May 2026 / By prohobby

By ProHobby™ | Ecological Systems Authority The most common cause of aquarium crashes is not disease, not overfeeding, and not

18 May 2026 / By prohobby

by ProHobby™ | Ecological Systems Authority Knowing how to do a water change correctly is the foundation of every aquarium

17 May 2026 / By prohobby

by ProHobby™ | Ecological Systems Authority A fish swimming upside down, floating at the surface, sinking to the bottom, or

16 May 2026 / By prohobby

by ProHobby™ | Ecological Systems Authority Fish not eating in your aquarium is the second most searched fish health query

15 May 2026 / By prohobby

by ProHobby™ | Ecological Systems Authority Feeding is the one variable in aquarium keeping that hobbyists control entirely, every day,

14 May 2026 / By prohobby

by ProHobby™ | Ecological Systems Authority If fish are dying in your new aquarium and you do not know why,

13 May 2026 / By prohobby

by ProHobby™ | Ecological Systems Authority The most common answer to this question is one inch of fish per gallon

12 May 2026 / By prohobby

by ProHobby™ | Ecological Systems Authority Most guides on community fish for beginners are ranked lists: ten fish with a

11 May 2026 / By prohobby

by ProHobby™ | Ecological Systems Authority Every year, more aquariums fail in the first three months than at any other