Has one or the other not been updated, the numbers don't jive for some things:
Pool School SWG/Plaster FC: 3-5, PoolMath Goal SWG/Plaster 3-10
pH: Matches
TA: Matches
CH: Matches
CYA: Matches
Pool School SWG/Plaster FC: 3-5, PoolMath Goal SWG/Plaster 3-10
pH: Matches
TA: Matches
CH: Matches
CYA: Matches