impur
New member
Ok since my upgrade from my 29gal to 75gal and subsequent light change about 3 weeks ago, i've been having problems. I thought that the troubles ended with just about all my SPS dying. They simply either RTN'd overnight or STN'd over the course of a few days. First acros in the first few days, then all montis died the following week(they looked fine for 7+ days), and lastly my 4 remaining mille frags are just about at the end, they have small spots of flesh left but there i have no hope for them. All my zoos and LPS have done fine as well as a single tenius and single porites small colony a buddy brought over. The other 2 acros he brought died.
Upgrade went from a 10m old 250w 14k MH pendant to the 6-54w TEK T5 fixture, it sits 6" from the water surface of my 75gal tank, my photo period is actinics on at 12:30pm, rest of the lights on at 1:30. Lights off at 7pm actinics off at 7:30pm. It has been this way for about 8 days. Bulbs are 3 D&D super actinic, 2 D&D aquablue+, and 1 GE6500k daylight. The first 5 days after the upgrade or so the light was lower and photo period was all lights on at 12:00 all lights off at 7:00. The T5 bulbs were 6-7m old when i bought the light.
I attribute losing all the SPS to inadequate acclimation to the new light. I did not think they would get too much light being at the bottom of this tank since T5 does not penetrate as well as MH, and the fact that the tank is deeper than the previous.
When i got home sunday after being gone since friday i notice that my favia has some flesh receeding and is still completely retracted as it has been since going under the new light. My echino is showing recession as well, my xmas favia is retracted, and my acan is turning brown. My micro is fine, both my frogspawn took awhile to open completely, but are fine, and my candycane still looks upset but should be fine, and my remaining blasto looks fine. My hitchiking plate coral was white when i got home yesterday.
Zoos are all fine save for my PPE which have not opened in about 10 days. I've added a few new frags which are fine, my RPE are fine, PBPE (pink bubblegum people eater) are fine, and CPE (chameleon people eater) are fine. Not sure why the PPE are the only ones not opening. All other zoos fully open and look wonderful under this light.
So yesterday i ran some tests and added a piece of eggcrate to one side of the tank, the side with the LPS having problems. The recession leads me to believe they are getting to much light. But the browning of my acan leads me to believe not enough light. How can that be when they are 4" apart from each other on the sandbed?
Test results:
SG 35ppt
temp 79.4
pH 8.24
alk 9dKH
calcium 440ppm
nitrates 0ppm
nitrites 0ppm
ammonia 0ppm
I am now getting diatoms on the glass and sand, something i expected since it happened the last 2 upgrades.
I have simply no idea what is going wrong. The only thing that is different is the lighting. What am i doing wrong? Do i need to raise the light, lower it, increase photo period or decrease it? Any help is VERY much appreciated here.
Upgrade went from a 10m old 250w 14k MH pendant to the 6-54w TEK T5 fixture, it sits 6" from the water surface of my 75gal tank, my photo period is actinics on at 12:30pm, rest of the lights on at 1:30. Lights off at 7pm actinics off at 7:30pm. It has been this way for about 8 days. Bulbs are 3 D&D super actinic, 2 D&D aquablue+, and 1 GE6500k daylight. The first 5 days after the upgrade or so the light was lower and photo period was all lights on at 12:00 all lights off at 7:00. The T5 bulbs were 6-7m old when i bought the light.
I attribute losing all the SPS to inadequate acclimation to the new light. I did not think they would get too much light being at the bottom of this tank since T5 does not penetrate as well as MH, and the fact that the tank is deeper than the previous.
When i got home sunday after being gone since friday i notice that my favia has some flesh receeding and is still completely retracted as it has been since going under the new light. My echino is showing recession as well, my xmas favia is retracted, and my acan is turning brown. My micro is fine, both my frogspawn took awhile to open completely, but are fine, and my candycane still looks upset but should be fine, and my remaining blasto looks fine. My hitchiking plate coral was white when i got home yesterday.
Zoos are all fine save for my PPE which have not opened in about 10 days. I've added a few new frags which are fine, my RPE are fine, PBPE (pink bubblegum people eater) are fine, and CPE (chameleon people eater) are fine. Not sure why the PPE are the only ones not opening. All other zoos fully open and look wonderful under this light.
So yesterday i ran some tests and added a piece of eggcrate to one side of the tank, the side with the LPS having problems. The recession leads me to believe they are getting to much light. But the browning of my acan leads me to believe not enough light. How can that be when they are 4" apart from each other on the sandbed?
Test results:
SG 35ppt
temp 79.4
pH 8.24
alk 9dKH
calcium 440ppm
nitrates 0ppm
nitrites 0ppm
ammonia 0ppm
I am now getting diatoms on the glass and sand, something i expected since it happened the last 2 upgrades.
I have simply no idea what is going wrong. The only thing that is different is the lighting. What am i doing wrong? Do i need to raise the light, lower it, increase photo period or decrease it? Any help is VERY much appreciated here.
