Aquarium care
for nerds.
We tell you exactly what to buy — build a complete tank kit, look up species, and get unbiased product picks. No fluff, no fish-store upsells.
Tools
Interactive calculators that turn guesswork into a shopping list.
Tank Builder
Find every piece of gear for your setup — and why — in 30 seconds.
Try it →Stocking Calculator
How many fish can your tank actually hold? Stop overstocking.
Coming soonCO₂ Calculator
Dial in bubbles-per-second and the right kit for a planted tank.
Coming soonCare guides
Straight-talking guides on tank size, water parameters, diet, and the mistakes to avoid.
Pea Puffer
The world's smallest puffer — tiny, charismatic, and pickier than beginners expect.
Kuhli Loach
Peaceful eel-like bottom dwellers — keep a group over sand and they come out of hiding.
Nerite Snail
The best algae eater that can't overpopulate — won't breed in freshwater.
Chili Rasbora
Tiny glowing-red nano schoolers — stunning in a soft, planted blackwater tank.
Shrimp Tank Setup
From empty glass to a thriving colony — every step, in the right order.
Cherry Shrimp
The easiest freshwater invertebrate to keep — and the best entry into the shrimp hobby.
Amano Shrimp
The hardest-working algae eater in the hobby — a planted-tank essential.