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Line up the open ends of the bottles with the
water bottle edge overlapping the parmesan
bottle edge about 1/4 inch.
Using the soldering iron, join the two bottle
sections by melting several holes thru the
overlapping plastic.
Keep in mind, the smaller the holes, the safer the filter will be for small fish.
Keep in mind, the smaller the holes, the safer the filter will be for small fish.
make several small holes in the top of the
screw-on cap.
Take care not to damage the threads inside the cap.
Take care not to damage the threads inside the cap.
More smaller holes is better then fewer larger
holes.
Once the work with the soldering iron is done
and allowed to cool, fill the bottle with whatever
filter media you prefer.
Generally, floss is a given, but other media such as carbon or phosphate absorbing media is also an option.
If you do add loose media such as activated carbon, either place the carbon in a mesh bag designed for filters or in-between layers of floss to reduce any leaking out the small holes.
Generally, floss is a given, but other media such as carbon or phosphate absorbing media is also an option.
If you do add loose media such as activated carbon, either place the carbon in a mesh bag designed for filters or in-between layers of floss to reduce any leaking out the small holes.
welcome to
do-it-yourself aquarium and semi-aquatic background designs beyond the traditional
Dramatic AquaScapes
DIY Water Bottle
Power Filter with
Screw on Cap
Page 3 of 4
This project idea is an improvement on the original DIY water bottle power filter
design. The goal was to make the filter safer for long-term use around smaller
fish.