Water Chemistry
Understanding the Nitrogen Cycle
The nitrogen cycle is the single most important concept in fishkeeping. Get it wrong and your fish suffer. Get it right and everything else becomes manageable.
Dr. Priya Nair
March 31, 2026·7 min read
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Every article from MudCap AquaJournal — water chemistry, aquascaping, fish profiles, reef keeping, and beginner guides. Published every other Monday.
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Water Chemistry
Reading Your Water Test Results
A test kit is only useful if you know what the numbers mean. Here is a plain-language guide to the parameters that matter most.
Dr. Priya Nair
February 3, 2026·8 min read