Guides
Each guide covers one kind of tank or one job, written for keepers who want the reasons as well as the steps. The plans and tables come from the stocking calculator and the catalog, so they match what TankBud reads in your tank.
Newest guide · Tank setups
Cherry shrimp take dechlorinated tap water while crystal reds need soft RO water, and the rest of a shrimp tank follows from that choice.
By Curtis W. · Updated Oct 20, 2026 · 8 min read
Tank setups
A goldfish tank is sized for the adult fish, and a single fantail already lists 20 gallons.
By Curtis W. · Updated Oct 20, 2026 · 7 min read
Tank setups
A betta tank is built around the surface the fish breathes from, with steady heat, gentle flow, floating plants and a close lid.
By Curtis W. · Updated Oct 20, 2026 · 7 min read
Tank setups
Plan a freshwater community tank from the water up, then choose peaceful fish by adult size, swim level and school size.
By Curtis W. · Updated Oct 20, 2026 · 8 min read
How-to
A fishless cycle grows a filter's bacteria on bottled ammonia in about four to six weeks, with doses for 5 to 75 gallon tanks.
By Curtis W. · Updated Oct 20, 2026 · 8 min read
How-to
A freshwater tank goes together in a set order, from the leak test to the first month with fish.
By Curtis W. · Updated Oct 20, 2026 · 8 min read
By tank size
Each tank-size page lists the fish that fit, with three plans the stocking calculator checked.
Free tools
Checks a mix of fish against your tank's size and water.
Shows which popular fish can share a tank, and why.
Builds the whole tank, from the equipment to the last plant.
