無料照明計算機 - 水槽ルーメン・PAR値計算 | 水槽計算機

水槽サイズと植物の種類に応じた必要なルーメンとPAR値を計算します。低光量・中光量・高光量水草別の推奨。

FAQ

What is PAR (Photosynthetically Active Radiation)?

PAR measures light useful for photosynthesis. Low-light plants need 20-50 PAR, medium-light need 50-100, high-light need 100+ PAR. Measure PAR at substrate level for accurate assessment.

How many hours should lights be on?

Most planted tanks do well with 8-10 hours of light daily. Too little light slows growth; too much promotes algae. Use a timer for consistent photoperiod. Adjust based on plant growth and algae levels.

Is the lighting calculator accurate?

This calculator uses standard lumen and PAR guidelines. Actual light reaching plants depends on water clarity, tank depth, and light angle. Use a PAR meter for precise measurement.

What lighting types are best?

LED lights are energy-efficient and customizable. Fluorescent lights are affordable but less efficient. Metal halide lights are powerful but generate heat. Choose based on tank type and budget.

Can I use regular lights?

Regular household lights lack the spectrum for plant growth. Use aquarium-specific lights with appropriate color temperature (5000-7000K for plants). Avoid incandescent lights due to heat generation.