Reef Tank Maintenance Log

The log book that actually speaks reef.

Most "aquarium journals" are generic notebooks with a fish on the cover. Reefers need more. This logbook is built around the chemistry that actually keeps coral alive — with target ranges printed right beside every reading, so parameter drift is easy to catch before it costs you a colony.

Designed for saltwater and reef keepers — from a first nano tank to a multi-tank fish room.

What's inside (108 pages)

• Water Test Log — track Temperature, Salinity, pH, Alkalinity, Calcium, Magnesium, Nitrate, Phosphate, Ammonia and Nitrite, with ideal target ranges on every page and room for custom parameters
• Maintenance & Water Change Log — water changes, salt mix, RODI top-off and a full equipment service checklist
• Dosing & Supplement Log — record exactly what you added and when
• Livestock Inventories — separate pages for fish, coral and inverts/clean-up crew
• Coral Frag & Growth Tracker, plus Acclimation/Quarantine, Health & Loss, and Troubleshooting logs
• Reference pages — tank profiles, quick target card, supplier list, tank-sitter instructions, wishlist and free notes

Built the way reefers actually work

• Undated — start, pause or restart any time; reuse for one tank or many
• Multi-tank ready — label every page to the system it belongs to
• 6 x 9 in — compact enough to keep right by the tank

A personal husbandry tracking tool to help you spot trends and keep your reef stable.