수영장에 맞는 필터 크기를 계산합니다. 수조 용량과 회전 시간 기준으로 샌드·DE·카트리지 필터의 필요 면적을 산정하세요.
The filter must be large enough to pass the pool's full turnover flow without exceeding its maximum design flux. Residential standards: sand filters up to 15 GPM/sq ft, DE up to 2 GPM/sq ft, cartridges up to 0.375 GPM/sq ft.
Mode A (Size a Filter): enter pool volume and desired turnover time. The calculator outputs the required GPM and the minimum filter area for each media type — helpful when buying new equipment.
Mode B (Check My Filter): enter your filter type and media area to see its max flow and whether it can turn over your pool in a reasonable time. Undersized filters force longer run times or push water through too fast, hurting filtration.