true SAE (siamese algae eaters) eat bba but you really need to address your co2 issues first. you say you have medium to high lighting. if so, you really need to drop your pH to at least 6.8. you also need to add ferts to the water column. you need to balance co2 injection rate with surface agitation. check out Dennis Wong's site https://www.advancedplantedtank.com/
. read "co2 fine tuning" under "in depth topics". his site provides invaluable information for planted tank enthusiasts. he also has a number of videos on youtube.