I am at a loss - DeepCool LT720 is not cooling as intended. : r/Deepcool

DeepCool LS720 CPU Liquid Cooler Review

DeepCool Castle 240EX Liquid Cooler 240mm Dual-Chamber Pump 2550RPM Aura Sync RGB AIO Cooler 280w TDP Anti-Leak Tech with PWM Fans 1800RPM CPU Water Cooler for AMD AM4 LGA 1700/1200/1151/1150, White

Deepcool LT720 360mm High-Performance Liquid CPU Cooler - R-LT720-BKAMNF-G-1

Anti-leak Tech inside, exclusively safe. 25% more skived fins on the back side of the copper base, The heat absorption area extensively increased. 3

DEEPCOOL Castle 360EX, Addressable RGB AIO Liquid CPU Cooler, Anti-Leak Technology Inside, Cable Controller and 5V ADD RGB 3-Pin Motherboard Control

PC Peripherals - High end CPU Air cooler OR cheaper Liquid cooler

DEEP Cool Castle 280EX AIO Liquid CPU Cooler, Anti-Leak Technology, Two 280mm TF140S PWM Fans, Addressable RGB Controller and 5V 3-Pin Motherboard (Caslte 280EX) : Industrial & Scientific

DeepCool Castle 360EX Liquid Cooler 360mm Dual-Chamber Pump 2550RPM Aura Sync RGB AIO Cooler 300w TDP Anti-Leak Tech with PWM Fans 1800RPM CPU Water Cooler for AMD AM4 LGA 1700/1200/1151/1150, Black