KSzegi
Valuable Member
Over the past few days I have begun having some white areas showing up on a few corals. Thursday or Friday I had noticed a few white areas on the tips of my stylophora .....everything else in tank looked fine. The alk was running a bit high - for my tank anyway - it was running at a shade over 11 and 9 is normal for me. I thought that was the issue and turned the doser off for the day to let it come down a little bit. This morning the stylo looks considerably worse and overnight several rather large white areas have shown up on my sunset montipora and a few small white patches in the center area of a very large acro (think a valida) colony.
None of the other corals seem to be affected - yet - and I would sure like to get on top of this if I could before they do!
I've never had an issue with any pests before but it almost appears that this could be the issue. I can't see anything offhand but none of the colonies are easily removed and hard to see up close well in the 300 gallon tank - so I'm just checking to see if those who have the unfortunate experience of having pest problems ..... can tell me if this looks like a probable cause and what the culprit might most likely be ..... or whether I should be looking elsewhere for the solution.
In the meantime, I'm doing a water change today - and getting water ready for one the following one or two days in a row ..... figure that never hurts! I did have a nitrate spike for some reason .... have been running about 5 and when I tested yesterday they were up to 20-25 range. PO4 is at .05 - that is typical for this tank, I can't seem to budge it below that other than testing a .03 once in awhile. KH is at 10 today, calcium 450. Salinity is 1.025. Running BRS HC gfo in reactor, carbon in bag.
None of the other corals seem to be affected - yet - and I would sure like to get on top of this if I could before they do!
I've never had an issue with any pests before but it almost appears that this could be the issue. I can't see anything offhand but none of the colonies are easily removed and hard to see up close well in the 300 gallon tank - so I'm just checking to see if those who have the unfortunate experience of having pest problems ..... can tell me if this looks like a probable cause and what the culprit might most likely be ..... or whether I should be looking elsewhere for the solution.
In the meantime, I'm doing a water change today - and getting water ready for one the following one or two days in a row ..... figure that never hurts! I did have a nitrate spike for some reason .... have been running about 5 and when I tested yesterday they were up to 20-25 range. PO4 is at .05 - that is typical for this tank, I can't seem to budge it below that other than testing a .03 once in awhile. KH is at 10 today, calcium 450. Salinity is 1.025. Running BRS HC gfo in reactor, carbon in bag.
