The algaecide didn't do this, it was a combination of factors and it likely started when the chlorine got too low and you needed to shock the pool but instead you added a cheap algaecide and baking soda. It happens, live and learn right 
Did you add the rest of the jug of the "rain" scented bleach before?
We don't recommend Dollar Store bleach. It has been reported that discount stores bleach stock can be old, weakend or even as low as 3%.
Generic store brand, like Walmart or Target or Aldi, is usually okay though.
Test strips are worthless for testing CYA - is there a pool store nearby that you can have test for you? Otherwise at the very least, Walmart sells a drop-based 6way test kit by HTH that is more accurate than strips and can test your CYA twice....
Did you add the rest of the jug of the "rain" scented bleach before?
We don't recommend Dollar Store bleach. It has been reported that discount stores bleach stock can be old, weakend or even as low as 3%.
Generic store brand, like Walmart or Target or Aldi, is usually okay though.
Test strips are worthless for testing CYA - is there a pool store nearby that you can have test for you? Otherwise at the very least, Walmart sells a drop-based 6way test kit by HTH that is more accurate than strips and can test your CYA twice....