Fry tank wit pleco

[Aidentank]

I have a fry tank about 3 gal could I put a small pleco in it to clean the alge would the fry be ok there jewels ??

 

[Cactuspixie]

I have a fry tank about 3 gal could I put a small pleco in it to clean the alge would the fry be ok there jewels ??

3 gal is too small for a pleco, and fry need really clean water, which a pleco would quickly dirty. If I were you, I would allow a nice layer of algae and biofilm to develop, as its nutritious for the fry.