Measured, not guessed
The reef gear authority that shows its math.
Data-driven reviews, side-by-side comparison databases, and calculators for saltwater aquarium gear — so you buy the right skimmer, pump, or light the first time.
Real number, not marketing
is all the average return pump delivers of its box-rated GPH once real head and plumbing losses are counted.
See your pump's real number →
41 pumps · 36 skimmers · 11 salts · 9 controller kits · 4 lights rated
The tools
Answers you can’t get from a listicle.
Return Pump Calculator
The real flow each pump delivers at your actual head — not the box GPH. 41 pumps, ranked.
Calculator · LiveProtein Skimmer Sizer
Which skimmers actually fit your tank once we derate the optimistic ratings for your bioload.
Calculator · LiveReef Build Cost Estimator
Itemized up-front + monthly running cost for any tank size and tier.
Gear, organized by your tank
Start with your setup.
Protein Skimmers
By tank size, by budget, by real bioload rating — not guesses.
Return Pumps & Flow
DC vs AC, turnover math, and real delivered flow at your head.
Salt & Consumables
Every major salt mix ranked by true cost per mixed gallon.
Controllers
Apex vs GHL vs Hydros, plus budget/DIY picks and why ReefKeeper is off the list.
Reef Lighting
Only 4 of 11 popular fixtures have real PAR data behind them — ranked, plus a transparency scorecard on the rest.
Dosing Pumps
Ranked, plus which well-known doser can't run at all without a controller you probably don't already own.
Wavemakers
Ranked by real dollars per GPH — with each line's documented reliability record next to the price.
Test Kits
Hanna vs Salifert vs Red Sea on the specs they publish but nobody compares — accuracy, resolution, cost per test.
Setup Guides by Tank Size
30, 40B, 55, 75, and 120 gallon — the full build, sized piece by piece, with honest costs.
Free — one email
The Reef Gear Cheat Sheet.
The exact skimmer / pump / light picks by tank size, plus our full build-cost worksheet — as one email, no spam.
One email with the sheet. If we ever start a newsletter, you can opt out first. Privacy