Additional Scrubber Grids for all Models is $7.50 each, at time of Scrubber sale. Pre cut with slots and lightly roughed up.

All scrubbers now come with algae slot blockers include.

Additional Scrubber Grids can be purchased, see below.

6 x 9 inch Nano Algae Scrubber with hanging kit, Algae slot blocker, and 3/8 ID (1/2 inch OD) tubing.  $24.99 with free shipping. Up  to 30 gallons.

With the Poor Mans Algae scrubber, all you need is a light and your own aquarium water. Connect to a manifold or small pump and grow algae in your sump, not in your beautiful display tank. An algae scrubber allows you to increasing your feedings without the negative consequences. Lower your phosphates and nitrates naturally. With the right balance you can even stop or reduce using GFO. Save money. 

12 x 18 inch Large Algae Scrubber with hanging kit, Algae slot blocker, and 3/8 ID (1/2 inch OD) tubing. $39.99 with free shipping. 180 gallons and up.

10 x 13.5 inch Medium Algae Scrubber with hanging kit, Algae slot blocker, and 3/8 ID (1/2 inch OD) tubing. $34.99 with free shipping. Up to 180 gallons.

8 x 13.5 inch Small Algae Scrubber with hanging kit, Algae slot blocker,  and 3/8 ID (1/2 inch OD) tubing. $29.99 with free shipping. Up to 75 gallons.