What is this device

[DivingTheWorld]

i am confused, was there a point to this guessing game?

no

 

[sunken3]

Here is my DIY ATS....

 

[sunken3]

Here is my DIY ATS....

this gives me the ability to clean the sides on alternate schedules!

 

[SantaMonica]

Nice. My basic design from 2008.

 

[sunken3]

Nice. My basic design from 2008.

ouch. i feel like i just got served.