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tkeracer619 · 02/09/2018, 02:42 AM

It's probable what you are seeing is a false positive on the API. I find it is more sensitive to the light you are using to read the test kit. What looks like .25 indoors can look like 0 in the sun.

You may have a little bit of a cycle, especially if you didn't transport the rock in water. If that is the case it should go away quickly.

02/09/2018, 02:42 AM	#4
tkeracer619 Registered Member Join Date: Jan 2006 Location: Westminster, CO Posts: 17,289	It's probable what you are seeing is a false positive on the API. I find it is more sensitive to the light you are using to read the test kit. What looks like .25 indoors can look like 0 in the sun. You may have a little bit of a cycle, especially if you didn't transport the rock in water. If that is the case it should go away quickly. __________________ Hobby Experience: 9200ish gallons, 26 skimmers, and a handful of Kent Scrapers. Current Tank: Vortech Powered 600G SPS Tank w/ 100gal frag tank & 100g Sump. RK2-RK10 Skimmer. ReefAngel. Radium 20k.