Anderson are good people. 1"-1.5" weigh between 2 and 3.8 pounds per thousand. 3"-4" weigh 13-30 pounds per thousand.
Yes to a regulator like is on a cutting torch. You have to have a flow control gauge to limit the amount of flow going through the air stone. I use point four air stones.
https://pentairaes.com/point-four-micro-bubble-diffusers-mbd Follow the instructions with the air stones. I cannot tell you what the flow rate is, that depends on the size of the fish, the amount of fish, the water temp, etc., etc. That's where the O2 meter comes into play and stopping to check O2 levels is important.
Yes, too much O2 will cause a problem with the fish. They will get their gills burned and "get the bends" from too much O2, that is why I will not haul fish without an O2 meter.
https://www.ysi.com/proodo This is what I have. I try to keep the O2 level at 10 mg/L.
If you are using the O2 cylinder while driving you also have to have this on it.
https://weldfabulous.com/gas-cylinder-regulator-protector-safety-cap-fine-thread-3-1-8-x-11/ Take note that there are coarse and fine thread models. Not all O2 cylinders have the same thread type, and I don't know why.
Then you have to have the hoses, fittings, etc., etc. I use cutting torch hose.
I also have duplicates of EVERYTHING on the truck just in case something happens to one of the pieces of equipment. Extra air stones, extra regulator, extra flow control, etc., etc. I have had the air stone crack within 1/2 hr of checking the O2 level in the water and I lost a whole tank full of 6" BG. I also carry an extra O2 cylinder "just in case". I've had regulators go bad, flow controls fail, etc., etc.
I also use different chemicals in the water to help the fish during transport. That is a proprietary mix and I won't give up all my secrets. As you can tell there is a steep learning curve to it. Most fish haulers use salt in the water plus a de-foamer. It ain't cheap, but then neither is killing fish and the associated miles to replace them.
Its a 10 hr drive one way for me from here to Lonoke.
