Skip to content
Your trusted Reef Aquariums resource

Reefstead

Expert reviews, honest comparisons, and the best deals on Reef Aquariums — helping you make smarter buying decisions.

Verified product ratings
Best price guarantees
Fast shipping options
6
Categories
12+
Expert Articles
Free
Unbiased Reviews

Latest Reviews

Corals

Torch Coral Care: The LPS Everyone Wants (and Overpays For)

Torch coral care without the hype: stable alkalinity, gentle flow and light, feeding, brown jelly response, spacing rules, and why cheap torches come first.

Jun 28, 20265 min read
Getting Started

What Size Saltwater Tank Should You Start With?

In saltwater, smaller is harder. Why 20-40 gallons is the beginner sweet spot, what each size class really feels like to own, and how to pick a number.

Jun 25, 20265 min read
Getting Started

The Real Cost of a Saltwater Tank: The Full "Tank Tax" Breakdown

The honest first-year cost of a saltwater tank: sticker price, hidden setup costs, monthly burn, and the surprise column nobody itemizes at the store.

Updated 1d ago7 min read
Fish & Livestock

Royal Gramma Care: The Perfect Purple Starter Fish

Royal gramma care made simple: tank size, the one cave it demands, feeding, tankmates, the dottyback lookalike warning, and why upside-down is normal.

Updated 1d ago5 min read
Equipment & Gear

Refractometer vs. Hydrometer: Stop Guessing Your Salinity

Refractometer vs hydrometer for saltwater tanks: real-world accuracy, calibration, and cost compared, plus how to calibrate correctly for 35 ppt water.

Updated 1d ago4 min read
Water Chemistry

Reef Tank pH Too Low? Causes and Fixes That Actually Work

Reef tank pH running low? Indoor CO2 is almost always the cause. Ranked fixes: fresh air, skimmer intake lines, CO2 scrubbers, refugiums, and kalkwasser.

Updated 1d ago5 min read
Water Chemistry

Reef Tank Parameters Chart: Every Target Number in One Place

The complete reef tank parameters chart: salinity, alkalinity, calcium, magnesium, pH, nitrate, and phosphate targets, plus a testing schedule that works.

Updated 1d ago7 min read
Maintenance & Troubleshooting

The Complete Reef Maintenance Schedule (Daily to Yearly)

A patient reef maintenance schedule covering daily checks, weekly water changes, monthly equipment service, and the yearly tasks most reefers forget to do.

Updated 1d ago6 min read
Equipment & Gear

Automating Your Reef: ATO, Dosing, Monitoring — What's Worth It

Not every gadget earns its place. Here is the reef automation worth buying first — ATO, heater control, dosing pumps — and the jobs to keep doing by hand.

Updated 1d ago5 min read
Water Chemistry

Reef Salt Mix Comparison: Parameters, Price per Gallon, Consistency

Four reef salt mix types compared on mixed parameters, batch consistency, and true price per gallon — and how to match the bucket to your tank's targets.

Updated 1d ago6 min read
Getting Started

The Reefkeeper's Glossary: Frag, ULNS, Alk, and 80 More Terms

From alk to zoas: a working glossary of the reefkeeping terms you will meet in forums, care guides, and fish store conversations — all in plain English.

Updated 1d ago8 min read
Fish & Livestock

How to Set Up a Simple Quarantine Tank (And Why You Must)

A $80 bare-bones quarantine tank is the cheapest insurance in reefkeeping. The full shopping list, biofilter options, and a 30-day protocol that works.

Updated 1d ago5 min read

Never Miss a Review

Get our latest Reef Aquariums reviews and buying guides delivered to your inbox weekly.

No spam. Unsubscribe anytime.