Some of mine SPS are getting tip burn and when I touch the end it will crumble easily.
Don't get it as my Alk is steady at 8.5/8.7, Cal at 440 mag 1350 and PH at 8.05 in the morning and early evening close to 8.3
Now my PH always was in the morning 7.8 and in the early evening 8.00.
I dose...