XSPC has a winner on their hands with the Raystorm Pro water block. They took the design of their original Raystorm block and enhanced it in every way possible.
ECX Coolant (English)→
/XSPC’s ECX Ultra Concentrate Coolant has all the right things we look for in a coolant for our custom loops: corrosion protection, biological growth protection, good color range and it uses a Propylene Glycol as the performance additive.
PETG Toolkit (English)→
/If you’re a hard-line water cooler using 14mm fittings and tube we have no doubt you’ll find this kit useful, if you’re using XSPC fittings and PETG tubing you’ll find it incredibly useful, almost essential.
RayStorm Pro (English)→
/Overall the Raystorm Pro provides excellent performance and features while maintaining great value. It’s truly a great all-round performance package. For these reasons it wins the coveted and rarely awarded Extreme Rigs gold award.