Every page on the site

Tanks & Kits

How big does the tank actually need to be?

• How many gallons does a betta need?
• The best betta fish tanks
• The best nano tanks
• The best small tanks for beginners
• Fluval Spec V review
• Fluval Spec V vs Flex 9
• Betta tank setup, in the order that works
• Betta bowls, and what actually happens in one

Heaters & Temperature

What wattage does this tank actually need?

• What size heater your tank actually needs
• The best nano tank heaters
• The best heater for a 5-gallon betta tank
• The best heater for a 3-gallon tank
• Do bettas need a heater?
• Betta water temperature, and what happens at each end
• Preset versus adjustable heaters

Filters & Flow

How much flow is too much for a betta?

• Do betta fish need a filter?
• The best nano tank filters
• The best sponge filters for betta tanks
• The best filter for a 5-gallon betta tank
• Sponge filter versus hang-on-back
• How to baffle a betta filter

Stocking & Tank Mates

What can actually live with a betta?

• Betta tank mates, threshold first
• The best betta tank mates
• The best nano fish for a small tank
• Betta tank mates for a 5-gallon
• Betta tank mates for a 10-gallon
• Can betta fish live with shrimp?
• Can betta fish live with snails?
• Betta versus guppy

Plants, Substrate & Light

What grows in a small tank without CO2?

• The best plants for a betta tank
• The best substrate for a betta tank
• The best nano tank lights
• Aquasoil versus inert substrate
• Light requirements for a planted nano tank
• How to aquascape a 5-gallon tank

Care & Maintenance

What does keeping this thing alive actually involve?

• Betta fish care
• How to cycle a betta tank
• The best betta food
• Betta tank cleaning schedule
• How long do betta fish live?
• Pellets versus flakes versus frozen

How we work

• About Glass & Gravel
• How we pick
• FAQ
• Editorial policy
• Affiliate disclosure
• Contact
• Privacy
• Terms

For crawlers and readers

• XML sitemap
• Atom feed (excerpts)
• llms.txt
• llms-full.txt
• robots.txt