Yes!
Use two small diffusers for larger tanks, not one huge diffuser!!
Use the spray bars vertically, not horizontally, place the diffusers at the bottom of these spray bars and have them blow along the back and then opposite for the other end/diffuser so you get a circular flow pattern.
If you split the line, you will need two needle valves.
The odd thing is that this waste CO2 but it's an issue of CO2 delivery, not getting more CO2 into the water dissolved.
Now some folks say this works yada yada but no of them suggested why it's better from a growth prespective.
Pure 100% CO2 gas that moves rapidly into the plants asap, or a slow build up of this thick visicous semi rich CO2 medium.
It's no wonder the pearling/growth is far more intense.
You can use the venturi designm, on or off, and then use a diffuse in the same way to see that O2 purged from the Reactor method does not increase/decrease growth(as measuered as O2 levels in the same tank).
I used the same tank for the different methods of CO2 diffusion(DIY w & w/o venturi and then a diffuser stone)
Regards,
Tom Barr
www.BarrReport.com
Regards,
Tom Barr