How do I remove flux after soldering the PCB board?

It is essential to remove flux residues after soldering. Flux residue can be cleaned with an isopropyl alcohol (IPA) solution.

Cleaning Printed Circuit Boards, Tips

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soldering - Removing rosin flux residue from PCB - Electrical Engineering Stack Exchange

Flux Remover Video How-To Guide

How to clean up my PCB?

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How to clean flux from PCB

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Soldering Rosin Flux Cleaner, Solder Flux Pcb Clean

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