PNY's DIY non-floating SURF-style algae scrubber

[Pny]

A few photos of one of my experimental algae scrubbers... A non-floating SURF-style algae scrubber in the works.

* Designed to be in-sump, over the water surface.
* Water exits through the pipe-work. (water inlet not constructed yet).
* Removable dual chamber for algae growth.
* LED-lights not constructed yet, (maybe SM GEM5 prototypes).
* Lots of strings for fast re-growth after harvest.

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Algae Scrubber.

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Removable dual chamber.

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Chamber underside.

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Located inside crowded sump.

Any suggestions or tips?

[SantaMonica]

I think it needs less strings. If too many, the self-shading becomes the primary limitation.

The four GEM5 lights will be a good start; they will drop right in.