Calcium levels and testing issue

R

rckrzy1

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OK, I had been using the 2 part Bionic and decided to try the reef chem calcium builder and buffer. Yesterday I added calcium as my tests where showing 360 , but as I added the 5th cap full the ca precipt out as in turned to snow balls. I waited an hour and retested , it shows the ca at 420. So this morning I tried to add a little more but it precipt right away.

I verified the ca test kit with another brand. My primary test kit is a salifert.

So am I just having an inacurate reading from the kits and the CA is maxed out or will something else keep me from getting the ca levels any higher ? I wish I had not slept through chemistry class.

SG 1.025 KH 9.6 PH 8.27 temp 80F

I also top off with kalwasser
 
When you add it, you have to pour it in very slowly in an area of high flow. So if you had to add 25 or 30ml worth, it should take you 15 seconds to trickle that into the tank, not just pouring or dumping it into that spot.

Or you'll end up with precipitation.

If you are dosing two parts, dose alk first over 15 seconds, wait at least 30 seconds to pass, then add the calcium over another 15 seconds.
 
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