1. Do You Have to Refill Liquid Cooling PC? ... AIO (All In One) liquid cooling solutions, also called Closed-Loop liquid coolers, are sealed coolers. Meaning they don't require any maintenance at all since they can't be refilled in the first place.

Is liquid cooling hard to maintain?

Because it's a sealed unit, they require little to no maintenance. They also don't need to be topped up as they don't experience evaporation like DIY setups. In order to maximize compatibility across a wide range of systems, all-in-one units often leave you with more tubing than you actually need.

How do you take care of a liquid cooled computer?

- Make sure to keep the water levels high and have no leaks or air bubbles. - Clean the dust from your fans and radiators to maintain your cleaning loop. Remember that it is completely up to you as to how often you clean and maintain your cooling system.