Normally Bioballs are good to seed the new tank with bacteria, but seeing as you washed them in hot water (I assume from the tap), you would have killed all the bacteria in the bioballs due to the chlorine in the water. The bioballs may have experienced some die off and added to your nitrates.
Also on that note, freshwater good bactieria is different to the good bacteria found in saltwater tanks.
Based on the parameters above, your cycle is underway but may stall if you have no ammonia source (dead raw shrimp).
- Planted CO2 Community Tank
- Planted Shrimp Tank - in progress