A ari5736 Advanced Reefer Location Teaneck, NJ Rating - 100% 35 0 0 Apr 6, 2011 #1 Has anybody noticed differences between the quality of ph probes and if so please share, thanks. I've noticed the prices and vary somewhat sharply.
Has anybody noticed differences between the quality of ph probes and if so please share, thanks. I've noticed the prices and vary somewhat sharply.
