Should you use an auto feeder for four days, or just skip feeding?
Skipping feeding for a four-day trip is usually safe for healthy adult fish. Learn when a feeder helps, what goes wrong, and how to prepare.
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Pothos over the rim: the easiest river-tank plant
Pothos can soak up some nitrate and add a green bank to a river tank. Learn how to root it, place it safely, and keep it trimmed.
Can leaf litter give a tank a fall look without dye?
Dried oak, beech, and Indian almond leaves can tint tank water tea-brown without dye. Learn which leaves to use, how many, and how long they last.
Does expanding foam belong in a fish tank
Expanding foam can work in a fish tank if you buy pond-and-stone foam, cure it fully, and soak it before adding fish. Here's how to do it safely.
Can a rimless tank carry a foam-and-stone riverbank?
Yes, a rimless tank can carry a foam-and-stone riverbank if the glass, stand and foam are right. Here's how to check each before adding water.
Rim holders, grow lights, and driftwood that won't sink: setting up a riparium
Set up a riparium with rim holders for pothos, a light for leaves above water, and driftwood soaked until it sinks, plus a week-one checklist.
A riparium is a tank with a shoreline. What you actually need
Learn what a riparium is and what you need to build one: an open-top tank, planters, plants that tolerate wet roots, and light above the water.
Tennessee Aquarium releases 500 lake sturgeon into the Tennessee River
About 500 juvenile lake sturgeon went into the Tennessee River at Coolidge Park. Here's how the restoration works and whether it's succeeding.
Can a crab get stuck in a pumpkin-house ornament?
Can a crab get trapped in a pumpkin-house ornament? See which openings are risky, how to pick or seal a safe piece, and how to free a stuck crab.
Are store-bought Halloween ornaments safe underwater?
Learn which Halloween ornaments are safe in a fish tank, why craft-store decor is risky, and a simple screening test before adding one.
The $10 Vampire Crab: A Bad Halloween Impulse Buy
Vampire crabs make tempting Halloween impulse buys at $10, but they need a land-heavy paludarium to survive—not a traditional fish tank.
Can you put a real pumpkin in a freshwater tank?
Discover why whole pumpkins damage aquarium water and how to safely offer small pieces as seasonal treats.