Scrubber Quick Guideline:

0.5 actual (not equivalent) fluorescent watts per gallon MINIMUM [0.13 watts per liter].

1.0 actual (not equivalent) fluorescent watts per gallon for HIGH filtering [0.26 watts per liter].

**1.0 square inches of screen per gallon**, with bulbs on BOTH sides (10 x 10 = 100 square inches = 100 gal)

[1.64 square cm per liter]

**2.0 square inches of screen per gallon**, if vertical but lit on just ONE side. [3.28 square cm per liter]

**4.0 square inches of screen per gallon**, if HORIZONTAL [6.56 square cm per liter].

1.5 actual (not equivalent) fluorescent watts per gallon if HORIZONTAL [0.4 watts per liter].

18 hours of lights ON, and 6 hours of lights OFF, each day.

Flow is 24 hours, and is at least 35 gph per inch of width of screen, EVEN IF one sided [60 lph per cm].

Very rough screen made of roughed-up-like-a-cactus plastic canvas.

Clean algae off of screen every SEVEN (7) days NO MATTER WHAT YOU THINK.