May 2026

Aquarium Lighting

Aquarium Maintenance Log

An aquarium maintenance log keeps reef parameters stable and problems predictable. Use simple entries to track tests, dosing,…

Sump Refugium

Sump Refugium Setup

Learn how to build a sump refugium that controls nutrients, grows pods, and improves reef tank stability with…

Aquarium Lighting

Reef Tank Magnesium

Reef tank magnesium supports stable calcium and alkalinity. Learn the ideal range, testing tips, dosing methods, and common…

Aquarium Lighting

Equipment Priority List

Use this reef equipment priority list to buy the essentials first, avoid wasted money, and build a stable,…

Aquarium Lighting

What is Aquaculture Coral, and Why is it Preferred Over Wild-caught Coral?

Aquaculture coral is captive-grown coral that is usually hardier and more sustainable than wild-caught coral for reef aquariums.

Aquarium Lighting

Best Nano Reef Fish

Discover the best nano reef fish for small saltwater tanks, with stocking tips, care advice, and beginner-friendly reef-safe…

Aquarium Lighting

Beginner Reef Tank Equipment Checklist

Build your first reef tank with the right gear. This beginner reef tank equipment checklist covers the essentials…

Aquarium Lighting

Reef Tank Calcium

Reef tank calcium should stay between 400 and 450 ppm. Learn how to test, dose, and stabilize calcium…