Summary

Here a cheap and compact etching tank with small dimensions, very easy to use and to tidy up.

Tank dimensions : 246 x 213 x 31 mm / 9.6" x 8.3" x 1.2"
Total cost without acrylic glue: 26 $

Made to contain 1L ( 33 fl oz ) of chemical products, like ferric chloride or hydrochloric acid, also it includes a temperature sensor.

Comes with an easy holder system based on "lever" lego pieces, you can etch many projects in the same time, pcb boards, brass pieces and other metals...

To realize this project, please use the title of each piece included in the below B.O.M on Ebay's website, the pieces are generic.

Important : Never exceed 50° celsius with the ferric chloride.
Make sure to protect the temperature sensor with a varnish.

Enjoy !

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B.O.M :

• Bubbles wall tube 7'' for aquarium / 1.8 $
• LCD Display digital thermometer for aquarium ( 47 x 28 x 14mm ) / 1.2 $
• Super silent electrical aquarium oxygenation air pump ( 80 x 35 x 45 mm ) / 3 $
• 100W aquarium fish tank heater ( 183 mm ) suction cup included / 4 $
• 2 x Cast acrylic sheet 240 x 210 x 3 mm
• 2 x Cast acrylic sheet 210 x 31 x 3 mm
• Cast acrylic sheet 246 x 31 x 3 mm / acrylic sheets total 8 $
• Lego base plate 48 x 24 dots + lego levers / 6 $
• 250V 2.5A Black Power Supply C8 / 0.6 s
• Air soft tubing pipe line ( air pipe check valve included ) / 1.8 $
• Switch / 0.2 $
• Component Polymerization Adhesive ( Acrifix 1R 0192 ) / 7$