I'm not certain what you mean by adequate. This little tank (a used BMW power steering reservoir off of E-Bay) or any tank that you decided to use is simply a means to fill and monitor the separated IC system. I run w/ straight distilled water and one bottle of DEI chill charger in the IC circuit. It's very cool to be able to remove the cap and actually see the pump pumping, or dip your fingers into and be amazed that it doesn't burn you after you've just done a few hot laps. It's a great solution for those of us that haven't gone with a supercooler that has a fill cap. The whole setup cost me about $30. and a couple hours of time. There are a few more pic.'s in my gallery if that helps.