olivianewtonjohn
Well-Known Member
I am no expert so wait for more opinions but I think this would be good with your existing hydrotube on top of the bubbler. It even comes with a 18mm Male to Male adapter that you would need:
http://www.dhgate.com/store/product/best-price-two-function-10-quot-atomic-prec/205579720.html
Another option (hi diffusion):
http://www.dhgate.com/store/product/yq-42-two-function-glass-water-pipe-with/185864647.html
http://www.dhgate.com/store/product/best-price-two-function-10-quot-atomic-prec/205579720.html
Another option (hi diffusion):
http://www.dhgate.com/store/product/yq-42-two-function-glass-water-pipe-with/185864647.html