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How to Lower Ammonia Quickly

By Donny Miller | Updated February 2026

Ammonia is a silent killer that can wipe out a tank overnight. After 15 years in the hobby, I’ve refined a “rapid-response” protocol that neutralizes spikes without crashing your cycle. In this guide, I show you exactly how I saved my 50-gallon community tank during a filter failure. Read the Full Guide: How to Lower Ammonia

Popular Posts

The Best Aquarium Testing Kits for Beginners
By Donny Miller | Updated January 2026

I’ve learned the hard way that a “healthy-looking” tank can actually be a ticking time bomb. After testing everything from cheap strips to digital probes across my 50-gallon and nano setups, I’ve found the kits that actually provide the accuracy you need. Stop guessing and start knowing your water chemistry. Read the Full Post

How to Bring Aquarium pH Down Easily
By Donny Miller | Updated February 2026

Chasing a specific pH number with “pH Down” chemicals is a recipe for disaster. In this guide, I share the exact natural methods I use to soften water and lower pH without causing dangerous swings. From driftwood to peat moss, here is how I keep my sensitive fish thriving in stable, slightly acidic water. Read the Full Post

Best Fish Tank Light for Plants
By Donny Miller | Updated February 2026

You don’t need a $300 light to grow a lush, green carpet. I’ve run “budget” LEDs and high-end fixtures over my 20-gallon long aquascape to see what actually grows plants versus what just grows algae. These are my top picks for every budget based on real PAR results and plant growth. Read the Full Post

How to Make Fish Tank Water Crystal Clear
By Donny Miller | Updated February 2026

There is nothing more frustrating than a “foggy” tank. Whether you are dealing with a bacterial bloom or mechanical debris, I’ve developed a 48-hour “clear water” routine that works. I’ll show you the exact mechanical filtration tweaks and natural fixes I used to get my community tank looking like the fish are floating in the air. Read the Full Post

The Best Fish Tank Air Pumps: Quiet & Reliable
By Donny Miller | Updated February 2026

A loud air pump can ruin the peace of a bedroom or office setup. I’ve tested dozens of models to find the ones that provide high oxygenation without the “hum” that drives you crazy. From tiny USB-powered pumps for my nano tanks to heavy-duty options for my 50-gallon, here are my quietest picks. Read the Full Post

About Fish Tank FAQ

Fish Tank FAQ is a hands-on resource for aquarium enthusiasts who are tired of “fluff” and confusing science. Founded by Donny Miller, a fishkeeper with 15+ years of experience, our mission is simple: to provide tested, no-nonsense answers to your biggest aquarium questions. Whether you’re fighting an ammonia spike in a 50-gallon community tank or scaping your first 20-gallon long, we provide the practical advice you need to keep your water clear and your fish thriving. No bots, no generic AI—just real experience from a real fish room.

About
Latest Posts

Donny Miller

Hi, I’m Donny! I’ve been an active aquarium hobbyist for over 15 years, currently maintaining a "fish room" that includes a 50-gallon community tank, a 20-gallon long aquascape, and a specialized nano betta setup. I founded FishTankFAQ.com to move past the "fluff" and provide hands-on, tested advice for fellow keepers. From troubleshooting 3-month algae battles to perfecting the nitrogen cycle, I’ve made the mistakes so you don’t have to. When I'm not tinkering with my 4 active tanks, you can find me sharing advice, testing the latest fish tank gear.