I'm trying to help a friend with a green pool. I used pool time 6 way test strips ie hardness 1000, Total chlorine 10, Bromine, 20, Ph 6, akalinity 40, stablizer very low. Their website recommendation is for a 20k gal pool. plaster in ground, water changer a little over 3 years ago. Their recommendations: 6# stabilizer, 27# alkalinity increaser, 28oz algacide, 2.25 lbs ph down, In reviewing this site what should I do