I have a Jebao sw8 power head. although normally it would be enough flow. since I have enemas I have panty hose covering the holes of the PW. I'm looking to get a second Jebao ph. I know a lot of people don't like this brand. just looking for opinions of what the second one I should get jebao sw -4 or another sw -8. I don't think a second sw8 would be to much flow since I have panty hose around it which restricts the flow power. looking for advice on this ty