Gentle filtration and steady warmth: what to buy and how to size it.
As an Amazon Associate we earn from qualifying purchases. Do platys need a heater? It depends on the room and on what the tank holds. The FishBase species page for the southern platyfish (Xiphophorus maculatus) lists a natural temperature range of 18°C to 25°C. The sources we opened do not say that a heater is…
As an Amazon Associate we earn from qualifying purchases. Do danios need a heater? It depends on the room. Zebra danios are a tropical species, and the FishBase species page for the zebra danio (Danio rerio) lists a range of 18°C to 24°C. The sources we opened do not say that a heater is required…
As an Amazon Associate we earn from qualifying purchases. Do neon fish need a filter? The sources we opened do not say that neon tetras must have one. They do explain what a filter removes from the water, and they describe what changes when a tank has no filtration: more frequent water changes. A filter…
As an Amazon Associate, this site earns from qualifying purchases. This guide contains no product links. The person typing “do corydoras need a bubbler” wants a direct answer and the reason behind it. The sources checked for this guide do not say that a bubbler is required for corydoras. They do say that corydoras can…
As an Amazon Associate we earn from qualifying purchases. Do rasboras need a heater? For the one rasbora species the sources checked cover, the answer is yes. The brilliant rasbora, the brilliant rasbora (Rasbora einthovenii), is listed as tropical with a temperature range of 22 to 26 degrees C. The Merck Veterinary Manual says “A…
As an Amazon Associate we earn from qualifying purchases. The Hagen Marina Betta Submersible Aquarium Heater is an 8-watt submersible heater sold for betta tanks. The Amazon listing says it fits aquariums up to 1.5 US gallons (5 L), and the user manual says up to 1 US gallon (5 L). That is smaller than…
As an Amazon Associate we earn from qualifying purchases. The best canister filters for aquariums are the ones whose flow you can turn down far enough for the fish inside. A canister sits outside the tank, pulls water through a stack of media, and returns it through a spray bar or outlet. The University of…
As an Amazon Associate we earn from qualifying purchases. The person typing top fin filter for betta tank usually wants one of two things: a Top Fin filter for a small betta tank, or a replacement cartridge for a Top Fin filter they already own. The research behind this guide does not include a Top…
As an Amazon Associate we earn from qualifying purchases. Searching for the best aquarium filter media bags? The answer depends on mesh size and on what goes inside. Four of the ten listings we collected are empty mesh bags, and this guide covers only those four. The other six are ceramic rings, bio media or…
As an Amazon Associate we earn from qualifying purchases. Details Good filters for bettas share three traits: they keep the water clean, they create a current a betta can handle, and they are the right size for the tank. A filter that creates a strong current can work against a betta, so flow matters as…
