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subman
04-07-2013, 05:10 PM
I have a couple Millie colonies that I thought were showing good growth tips but they are now to long to be new growth. I have been struggling to maintain my cal and KH as Ive added massive colonies lately. So I was thinking it was ALK burn but my test this morning were: CA-390 (was down to 340 earlier this week) KH-6.7 (it peaked at around 7.3)
My Phosphates, nitrates, ammonia is 0

Im running the full zeo system, doising zeobac, zeostart3, amino acids and coral vitalizer, and k-balance.

I should add I have great polyp extension on all my corals and even the bleached areas have polyp extension.

I did have cheato in my sump but it has been shrinking lately so I took it out last night. Nick (titus99) told me it could be leaching out as it dies off, so its out now as well.

BlueTang<3
04-07-2013, 05:23 PM
Could it be bleaching from the lights ? Are you running carbon ?

subman
04-07-2013, 05:27 PM
Could it be bleaching from the lights ? Are you running carbon ?

Could be the lights I guess but they are all close to the bottom of my tank.
I was running carbon in a reactor but took it off line a couple days ago.

gregzz4
04-07-2013, 05:34 PM
Some of my corals started bleaching as my water was like yours, too clean
They expelled their zoox, then the lights started burning them
I've since been overfeeding, and turned off half the lights, and some corals are starting to come back

lastlight
04-07-2013, 06:00 PM
what intensity are you running your mitras at?

Aquattro
04-07-2013, 06:33 PM
If it were lighting, I would expect the entire colony to bleach, not just tips.

Proteus
04-07-2013, 06:36 PM
Have you tested k. It should be around 380. A overdose can look like alk burn on tips

subman
04-07-2013, 06:37 PM
The lights peak at about 80% on eco mode.

windcoast reefs
04-07-2013, 06:37 PM
Yeah I would think that the entire colony would go if it were lighting too. I've also had some sps with tips that look like there bleaching, then end up transitioning to a different color.
Or maybe it's an alk burn

windcoast reefs
04-07-2013, 06:41 PM
Have you tested k. It should be around 380. A overdose can look like alk burn on tips

Nevermind just read you alk levels! I've never heard of potassium burns before. Might be worth a try to test for it

subman
04-07-2013, 08:46 PM
I've tested 5 times now and still no idea. I these potassium test kits are BRUTAL

subman
04-07-2013, 08:49 PM
I'll cut dosing the kbalanceI and watch for improvement

BlueTang<3
04-07-2013, 09:12 PM
Are u using the zeovit potassium test kit ? I hated it bought an Elos one a while back but havnt used it yet I can try it later on and if its easier feel free to come grab it

subman
04-07-2013, 09:15 PM
Are u using the zeovit potassium test kit ? I hated it bought an Elos one a while back but havnt used it yet I can try it later on and if its easier feel free to come grab it

I am using the kz one. I heard the elos is better. I may take you up on that.

Proteus
04-07-2013, 09:28 PM
I tried to look up the kz test kit to see if I could help and the best thing I found was the test is crp. lol. Not one good review on it

subman
04-07-2013, 09:38 PM
I tried to look up the kz test kit to see if I could help and the best thing I found was the test is crp. lol. Not one good review on it

I agree lol its awful

subman
04-07-2013, 11:28 PM
I Think it probably is potassium overdosing but what I cant figure out is that even the white tips have great polyp extension, I thought any tip burning would have no polyps at all

gregzz4
04-07-2013, 11:38 PM
If you're looking to buy another Potassium test kit, I've used the Elos recently
I don't like the lack of range between 3-400ppm
It's hard to know what your results are
Look at how small the range is

http://soymilk.smugmug.com/Aquariums/Review-Pictures/Reviews/DSC002822/1172707862_zrnXm-M.jpg

If you can get your hands on one, the Salifert is supposed to be easier to use, and has a more defined range as it uses the titration technique
Count the drops and there's your reading