Learn
Practical guides for planning and keeping a healthy aquarium. Each article is short, hobbyist-friendly, and informative.
Getting Started
How to cycle your aquarium
6 min readWhy every new tank needs a nitrogen cycle before you add fish, and how to know when yours is ready.
Reef on a budget: where to save, where to splurge, and what 20gal vs. 40gal actually costs
12 min readWhere cheap reef gear costs you the tank, where saving is genuinely fine, and two complete builds at 20 and 40 gallons with realistic price ranges.
Stocking
Best beginner fish for your first tank (and the popular picks to avoid)
9 min readThe hardy, peaceful, widely available fish that forgive a beginner's mistakes, grouped by the role they play, plus the popular 'beginner' fish that outgrow a starter tank or turn aggressive.
How many fish can I actually keep? A real stocking guide (and why 'one inch per gallon' is wrong)
9 min readWhat actually decides how many fish your tank holds, why the one-inch-per-gallon rule kills fish, two example tanks you can open and edit in the builder, and the fish people get talked into that quietly overload a setup.
The complete 10-gallon tank guide: what fits, what doesn't, and three stockings that work
8 min readWhat a 10-gallon actually holds, the single-species and schooling setups that thrive, three example planted-tank recipes, and the fish you keep getting talked into that don't belong in a tank this size.
Compatibility
Why fish turn aggressive: territory, schooling, and fin-nipping
8 min readAggression in aquariums is predictable, not random. The triggers behind chasing, fin-nipping, and disappearing fish, and how to design a tank that heads off conflict before it starts.
The complete guide to fish compatibility
8 min readSix questions to run through before pairing any two species, the most common compatibility mistakes, and when experienced keepers bend the rules.
Water Chemistry
Aquarium water parameters explained: pH, hardness, and the nitrogen trio
8 min readWhat temperature, pH, GH/KH, and ammonia/nitrite/nitrate actually mean, which ones to worry about, and why matching fish to your tap water beats chasing perfect numbers.
How often should you change aquarium water (and how much)?
7 min readWhat a water change actually fixes, how much and how often to change for different tanks, how to do one without stressing your fish, and the mistakes that crash a tank.
Aquarium algae control: what's causing it and how to actually get rid of it
12 min readRead the type of algae before treating it. Photoperiod and nutrient fixes that solve most outbreaks, the cleanup crews that work in freshwater and saltwater, the chemical last resorts, and when to stop fighting.
Species Guides
Apple snail care: what to feed, who to house them with, and why they keep dying
6 min readThe hobby snail sold as 'apple snail' or 'mystery snail' is the same animal, plus three close relatives sold under similar names. What they actually need to thrive.
Common plecos: what you actually get when you buy that 2-inch sucker
7 min readWhat bristlenose, common, clown, royal, and L-number plecos actually grow into, what they eat, and which tank size is honest for each.
Blue tang care: what Dory actually needs
8 min readThe three different fish sold as 'blue tang,' how big they get, the tank size that keeps them healthy, why they catch ich more than any other reef fish, and which tang to start with instead.
Leather corals for beginners: which to start with, where to put them, why they shed
7 min readToadstool, finger, devil's hand, colt: the four leather coral types you'll see at most reef stores, what they want in lighting and flow, and why a healthy leather periodically looks dead.
