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The Creative Island · Island 13 · Field Station 07

Research Reef

The marine lab of the archipelago — built on a zoology and fisheries background, for anyone who works with water, labs and honest numbers. All calculations stay on your device.

This island exists because the person who built the archipelago studied zoology and fisheries before he studied design. The reef keeps that half of the brain alive — lab math, tank math and the honest arithmetic of living systems.

Every formula here is the standard one from the bench: dilutions, molarity, volumes, stocking density. Results are exact; judgment about living animals always stays with you.

The map · the grounds6 places on this island.

BLDG AThe Lab Bench · the scientific calculator

BLDG BThe Dilution Station · C1V1 = C2V2 and friends

BLDG CThe Tank Room · aquarium volumes, sized right

BLDG DThe Stocking Pond · fish density, counted honestly

BLDG EThe Probability Board · odds, fractions and dice

BLDG FThe Field Station · species notes & guides — pages being written

The tool shed · open 24/78 tools · 1 guide, pinned to the board.

Free, fast and private — every tool opens straight from Google search, works on any phone, and never asks you to sign up.

🧮Scientific CalculatorFree online scientific calculator — sin, cos, tan, log, ln, square roots, powers and pi, with a safe local expression engine.Open tool ↗ 🧪Dilution CalculatorFree dilution calculator — solve C1V1 = C2V2 for any variable: find the volume of stock solution or diluent needed for your target concentration.Open tool ↗ ⚖️Molarity CalculatorFree molarity calculator — convert between mass, molar mass, volume and molarity for any solution.Open tool ↗ 🐟Aquarium Volume CalculatorFree aquarium volume calculator — find the litre and gallon capacity of rectangular and cylinder tanks from dimensions, with a realistic water-level discount.Open tool ↗ 🎣Fish Stocking CalculatorFree fish stocking calculator — enter tank volume and fish size to estimate a sensible stocking level, with the honest limits of rule-of-thumb stocking.Open tool ↗ 🎲Probability CalculatorFree probability calculator — convert between favorable/total fractions, percentages, odds and one-in-N chances, with dice and coin quick facts.Open tool ↗ 🐟Fish Feed CalculatorFree fish feed calculator — pond biomass, daily feed by body-weight %, meal-wise and monthly estimates.Open tool ↗ 🐠Fish FCR CalculatorFeed conversion ratio — how many kg of feed became 1 kg of fish, and what it cost you.Open tool ↗ 📖মাছের খাদ্য সূত্র — কত খাবার দেবেন?biomass সূত্র, হারের টেবিল, ৫-মিনিট নিয়ম ও FCR — বাংলায় পূর্ণ গাইড।Open guide ↗

Next from the field station: ammonia dosing helper, substrate/CO2 tables, and species care sheets — the research boat is out.

🔒 Privacy, the island rule

Every tool on Research Reef runs entirely in your browser. Nothing you type is uploaded, saved or sent anywhere — no accounts, no tracking. Close the tab and your data is gone, the way it should be. Details: Privacy Policy.

▶ Read everything from Research Reef

Island by Rahul Smoothy · part of The Creative Island

THE ARCHIPELAGO · 10 ISLANDS AND GROWING

Speedboat dock.

Where to next, captain? The boat runs from this island straight to every other island of the archipelago.

🏝️Main Islandthe home portSail back ↗ 🎯The 90s Kids IslandIsland 01 · the memory islandVisit ↗ 🎮Pixel LagoonIsland 02 · the gaming islandVisit ↗ 🛒Bazaar BayIsland 03 · the shopping islandVisit ↗ 🤝Client CoveIsland 04 · for clientsVisit ↗ 🎓Scholar BayIsland 05 · student toolsVisit ↗ 💼Ledger HarborIsland 06 · business toolsVisit ↗ 🕑Clocktower TownIsland 07 · daily toolsVisit ↗ 💻Circuit CoveIsland 08 · developer toolsVisit ↗ 🎨Palette AtollIsland 09 · design toolsVisit ↗ 📄Paper PortIsland 10 · text toolsVisit ↗ 🧑‍💼Career StationIsland 11 · career toolsVisit ↗ 📷Darkroom IsleIsland 12 · photo toolsVisit ↗ 🧬Research ReefIsland 13 · you are here 🔒Safe HarborIsland 14 · security toolsVisit ↗