I had a doser malfunction in August that spiked my alk to more than 40 dKh and only lost 1 frag. 12+ years ago I would go from below 8 to 12 in a matter of seconds every week for a couple years and again, never had any issues. Then is see all of these threads where ppl are trying to grow sps in a 75 gallon tank with a kessil 160 or have 0no3/0po4 And are using nopox and gfo and chemiclean and vibrant etc but their struggles are blamed on a 0.25 alk swing from 2 weeks before. These stories make me chuckle. On the inside and the outsideWell you must have some magic ALK water or something to have it go directly from 5.2 to 8.3 with no issues :D
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