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Documentation A technical reference rather than a blog. Each entry states what it covers; where a page is still an outline it says so, and points at the live data that already covers part of the ground.
Contents12 PAR Measurement Methodology How PAR is measured on this tank, and what the numbers do and do not mean. Published CO₂ Automation CO₂ automated on a fixed window with hardware safety limits, why the usual pH/KH table does not apply here, and why the pH loop is deliberately left open. Published Lighting Experiments Mounting height, fixture position and the comparison between the original Solar RGB and the Chihiros that replaced it. Outline Aquasoil Cycling Ammonia release from fresh aquasoil and the water-change schedule that follows it. Published Plant Profiles Per-species notes: measured light at that position, growth habit, and observed color. Planned Equipment Notes Why each product was chosen and what has been observed using it. Published Experiment Archive Every experiment, including the ones whose result contradicted the expectation. Published Future Evaluations How an independent evaluation is run, and what a manufacturer can expect. Planned Measuring PAR Distribution Across a 90P Using the Original ADA Solar RGB Nineteen underwater readings across a 90 cm tank under one ADA Solar RGB. The full method, the raw data, and what the distribution shows. Published Measurement Philosophy Why this project measures rather than guesses, why PAR is only one variable, and why unfavorable results are published. Published Experimental Methodology The standing procedure for experiments on this aquarium: control of variables, calibration, measurement, comparison, and how conclusions and limitations are written. Published System Architecture How the Raspberry Pi, the database and the screens fit together, and which device actually controls each part of the tank. Published