So, the tank is ~35 gallons.
How many of each fish are in the tank?
When you say ammonia and nitrites are low what are the actual numbers? They should be zero. If not then you are still cycling. IMO
, the bottled bacteria supplements are not helping you (and may actually be hindering your cycling process) and are unnecessary in a properly cycled tank. Stop using it and rely on PWCs to finish the cycle (50% daily if your ammonia or nitrites get up to 0.25ppm). The cloudiness will go away by itself.