I bought a Danger Den NV-78 Video Card Water Block (nVidia 7800) - 3/8" Barbs and the Barb's they gave me don't screw on. Did danger den change there barb's or what because I tried for hrs to screw them on. I bought this in Janurary 25,2006. But never came around to install it. Now that I have the time the barb's won't fit. Do i need 1/8 Bsp or 1/4 Bsp with DD product's? . Oh and I bought it from Frozencpu