Quote:
Originally Posted by Craigdillman
got the Hanna won't look back
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Me too. I love the Hanna Checkers for phosphate and phosphorus.
Imo, if you're looking to control phosphate for the purpose of an ULNS (ultra low nutrients system) for SPS corals, then the Ultra Low Range HI-736 model that reads in ppb (rather than the HI-713 which reads in ppm) is a must. The HI-713 checker is just fine for the average Joe with a mixed reef. I use the Hi-713 for most of my clients' tanks, but I do get "0.00" readings with it in lower nutrient tanks where the HI-736 checker will still get a reading.
If you are fighting algae, the Salifert kit is probably good enough for now as long as you aim to never see color on that kit. The drawback is that you don't know if you're over-doing the RowaPhos which in my experience, may be detrimental.