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Feed adult Betta fish 2-3 pellets (size of their eyeball) TWICE daily – once in the morning and once in the evening. That’s 4-6 pellets per day total. BUT – pellet size varies wildly by brand (1mm to 2mm), so the real answer depends on what food you’re using. This guide provides exact feeding amounts…

When I started keeping Betta fish 12 years ago, I made a fatal assumption: “It’s summer, room temperature is 75°F, my Betta will be fine without a heater.” Three weeks later, Apollo (my first Betta) developed fin rot, stopped eating, and became lethargic. The vet bill? $45. The lesson? A $15 heater could have prevented…

My first betta fish died after nine days. I’d researched “betta care” online, bought everything the pet store recommended, and felt confident I was doing it right. The employee assured me the plastic half-gallon cube with no heater or filter was “perfect for bettas—they prefer small spaces.” I fed him twice daily because “bettas love…

Three years ago, I carefully selected six ember tetras as companions for my peaceful-seeming betta, Marcus. I spent two hours acclimating everyone, released them into a beautifully planted 20-gallon tank, and felt proud of my community setup. Twenty-four hours later, I found one tetra dead with shredded fins. Another disappeared entirely. By day three, Marcus…

Walk into any pet store, and you’ll see bettas displayed in tiny cups barely larger than a shot glass. The salesperson might tell you, “Bettas can live in bowls—they come from shallow puddles in Thailand.” I bought that story twelve years ago when I brought home my first betta in a half-gallon vase. He survived…

🎯 The Honest Answer (Before We Dive Deep) After spending over $500 testing every major biological filter media on the market and running a controlled 6-month comparison study across three identical tanks, I can tell you this with absolute confidence: a $5 bag of coarse sponge performs identically to $50 premium ceramic media in real-world…

QUICK ANSWER (30 Seconds) Universal Formula: GPH = Tank Gallons × Turnover Rate Turnover Rates by Bioload: Light Bioload (planted tanks, few fish): 4x GPH Medium Bioload (community tanks): 5-6x GPH Heavy Bioload (goldfish, cichlids): 8-10x GPH Example: 20-gallon community tank = 100-120 GPH filter 3-STEP FILTER SIZE CALCULATOR STEP 1: Calculate Your Tank Volume Length (inches) ×…

Universal Rule: Clean when flow drops to 50% of original By Filter Type: Sponge Filter: 3-6 weeks HOB Filter: 3-6 weeks Canister Filter: 2-6 months The Truth: There’s NO fixed schedule. Clean based on flow rate, not calendar. BIGGEST MISTAKE: Over-Cleaning 70% of beginners clean TOO OFTEN (weekly/bi-weekly) Result: Cycle crashes, ammonia spikes, fish deaths Correct…

HOB Filter: Best for <40G tanks, beginners, easy maintenance (15 min). Costs $80 over 5 years. Canister Filter: Best for 55G+ tanks, advanced hobbyists, maximum filtration. Costs $220 over 5 years. Leak risk: 15-20%. 🏆 THE TRUTH: Don’t buy canister “just because it’s better” – 70% of hobbyists don’t need one. Upgrade only if you have…

When I first started keeping aquariums in 2013, I spent $150 on a canister filter for my 20-gallon tank. Three months later, it leaked and destroyed my hardwood floor. That expensive lesson taught me: simpler is often better. Today, after 12 years and 80+ tank setups, I exclusively use sponge filters or HOB filters (or both together). Here’s why this…