Saltwater reef aquariums, made simple
Making
Making
Reefing Easy
Free tools, honest advice, and a community for saltwater reef hobbyists — from your first tank to your thirtieth frag.
The Toolbox
Seven tools that make reefing easier
Free. No sign-up. Built by hobbyists who got tired of doing the math on a napkin.
New to reefing? Start with Reef SchoolReef Calculator
Daily dosing math without the spreadsheet.
CalculatePAR Estimator
What your corals actually see — without buying a meter.
EstimateStocking Planner
Stop the third-tang regret before it happens.
PlanDino ID
Snap a photo. Find out what's growing in your tank.
IdentifyPest ID
Aiptasia, planaria, bristleworms — name it and beat it.
IdentifyICP Analyzer
Paste your ICP. Get plain-English next steps.
Analyze NewApex Programmer
Apex code, simulated before it touches your tank.
Program
Fresh from the community
What we’ve been up to lately
Latest from Instagram and YouTube.
On YouTube
Reef Tank Update - New Fish, Jumpers, Dinos and TopLids!
ReefDudes Live Saltwater reef Q&A - Thomas Burton
BLUETTI FridgePower - Ultra Slim Backup Power for your entire Reef Tank!
ReefDudes Live Q&A - Than - Tidal Gardens
Dinos Just Hit My Reef Tank… Here’s My Plan (Amphidinium)
ReefDudes Live Q&A - Saltwater Reef Chat w/Thomas Burton
Reef Tank Update - New Fish, Jumpers, Dinos and TopLids!
ReefDudes Live Saltwater reef Q&A - Thomas Burton
BLUETTI FridgePower - Ultra Slim Backup Power for your entire Reef Tank!
ReefDudes Live Q&A - Than - Tidal Gardens
Dinos Just Hit My Reef Tank… Here’s My Plan (Amphidinium)
ReefDudes Live Q&A - Saltwater Reef Chat w/Thomas Burton
On Instagram
