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
Eight 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 NewTank Planner
Plan the build before you buy a thing.
Plan
Fresh from the community
What we’ve been up to lately
Latest from Instagram and YouTube.
On YouTube
ReefDudes Live Q&A - Reef Tool kit - Dosing calculator, Par estimator, fish stocking and more!
ReefDudes Radion Schedule 2026 Update - The ultimate Reefer Tools!
ReefDudes Live - Nextgen Reef Tech - T5 Style Reef LED lighting
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 - Reef Tool kit - Dosing calculator, Par estimator, fish stocking and more!
ReefDudes Radion Schedule 2026 Update - The ultimate Reefer Tools!
ReefDudes Live - Nextgen Reef Tech - T5 Style Reef LED lighting
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!
On Instagram
