DIY Etch tank

DIY (Poor mans) PCB etch-tank

Create your own etch tank for less than € 20.00

This etch tank is made from a plastic rectangular storage box some aquarium attributes and some 3D printed parts.
It can hold PCB’s up to 10x16cm. (standard eurocard size)
This is primary for etching PCB’s with sodium persulfate but Ferrosulfate will work too.

Hardware:
2.6ltr square storage jar; from Action store
2 nails;
Air Stone Bubble Bar (10cm long); https://aliexpress.com/item/4000510994452.html?spm=a2g0o.store_pc_groupList.8148356.35.732e6eabQQF3dE&pdp_npi=2%40dis%21EUR%21%E2%82%AC%201%2C39%21%E2%82%AC%201%2C21%21%21%21%21%21%4021038edc16779353614332325efd64%2110000002489760011%21sh
Air hose;
https://aliexpress.com/item/32919412958.html?spm=a2g0o.store_pc_groupList.8148356.57.c3bbeeaaXNwCjc&pdp_npi=2%40dis%21EUR%21%E2%82%AC%201%2C04%21%E2%82%AC%200%2C91%21%21%21%21%21%4021038edc16779354925204771efd64%2110000000514797744%21sh
Air flow valve (optional);
https://aliexpress.com/item/1005