HOB Filter Size Calculator
Recommend hang-on-back (HOB) filter rated GPH based on tank size and stocking level.
Recommended Rated GPH
232 GPH
Turnover
8x/hr
Note
HOBs lose ~30% effective flow vs. rated. Size up if borderline.
Recommend hang-on-back (HOB) filter rated GPH based on tank size and stocking level.
Recommended Rated GPH
232 GPH
Turnover
8x/hr
Note
HOBs lose ~30% effective flow vs. rated. Size up if borderline.