Snails
These are the best algea eaters ive seen they will not eat your plants only algea diatoms and biofilm they will breed in straight freshwater unlike the larger brackish one that you get in shops they d
True fresh water nerite snails Theodoxus jordani these are the best algea eaters ive seen they stay small so would suit a nano or shrimp set up or with larger fish also they are fine in tropical or co