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And 0.06 PO4 today!
Just a word of caution the UL phosphate has a tendency to give false 0 readings when you get really low. I had this issue and could never figure out why everything seemed fine in the tank even though I had 0 po4 (I was concerned because 0 po4 caused me to have a Dino outbreak when I first started the tank)
I ended up buying the ULR phosphorus version (much better accuracy at low ranges) and found that I really had about .02 ppm po4 vs the 0 that the UL phosphate was reading
You will learn to read your tank via how it looks and other readings when nutrients are low and then just test to confirm what you see. My biggest confirmation of low nutrients is my PH dipping at night on my apex. It’s a sign that the cheato doesn’t have food and therefore isn’t using up the CO2 at night causing the ph to drop. I add some extra feedings the next day, the fish are happy and the next night ph is back to normal as the nutrient have gone up
Len
Question of the BRS website:
Is the new Hanna phosphate ULR HI774 colorimeter more accurate than the older HI 713 one?
Question posted on Jan 2, 2019 2:21:00 AM
Thanks for contacting BRS!
This checker is going to be more accurate than the HI713, but it is the same accuracy and resolution of the HI736 except that it calculates the result into phosphate so you do not have to. Have a great day!
I did not realize that, I though he had the older one (which is what I have). If it’s uses the same logic as the ULR phosphorus but just displays in ppm then you should be fine. Too many models lol I always have to check which reagents I’m buying
Len
It looks pretty sweet, the timer is longer too before auto shutoff! About time they did that.
I always have to reorder reagent when I have one left because I never the get pouches right if I don't have the number there.