https://www.google.com/amp/www.instructables.com/id/DIY-Microbial-Fuel-Cell-easy/%3Famp_page%3Dtrue

I am sure some information is redundant, but I am doing as much research as I can on the subject which appears to be scarce. Nearly all the algae detailed information is in relation to chemically converting the oils in the algae to biofuel. Which is great , but does not apply to direct electrical energy production. I will post various articles and informative sources here.

https://www.sciencedirect.com/science/article/pii/S0961953415300052

Info about understanding electrodes

https://www.sciencedirect.com/science/article/pii/S1369702115003181

algea as food for bacteria?

https://www.sciencedirect.com/science/article/pii/092134499390037G

PDF power point for proposed bacteria / algae bio reactor.

https://uwmrf.org/wp-content/uploads/2017/12/OTT1265SlideDeck_2016.pdf

Nitrification by autotroph bacteria in waste water, specifically human and animals.

Something I specifically learned in this is that  nitrifying bacteria prefer a 6.8-7.5 PH level