Dont drill more holes in the spray bar it will lower the velocity.
I took mine off the 2217 on the 75 gal and just use the elbow point slightly towards the front glass to make a whirlpool type of thing. All the gunk builds in one spot right under the return.
Can take a pic tomorrow
I took mine off the 2217 on the 75 gal and just use the elbow point slightly towards the front glass to make a whirlpool type of thing. All the gunk builds in one spot right under the return.
Can take a pic tomorrow