fish dying (long Post)

[pirate]

Well Its gonna look like I'm gonna lose another fish some time soon. He was fine during the day (bengaii cardnel) sleeping and swiming as he usually does, hiding in the corner away from the light. Well its time to head to bed now and he is lying in the same corner on the sand bed breathing hard . At the beginning of the week I lost my male clown fish , and some time befor that I lost a yellow tail damsel . My clown did the same thing before he passed away. The yellow tail not to sure when he went missing. Just quite seeing him.
I tried feeding him and he has no appitite, all the other came out though. I tried feeding the clown as well but no dice. So its starting to look like I've lost 3 in about a weeks time.
None of the other fish look stressed out, all are eating well. I did a 5 gallon water change today. Checked all the parameters nothing out of order except now I have some ammonia showing

What I can test



ph 7.5
ammonia is 0.6 or less
No2 0
No3 0
Sg 1.022-1.023
Temp 80F

I feed once a day,
Dry
pellets (1) new life spectrum
(2) Omega one shrimp
flakes (1) Omega one
And some veggie rounds. I tried some freeze dried shrimp but no one liked them

Frozen
San francisco -Angel and butterfly
-Marine Quisine
H2O life Carnivoir and omnivoirs
And some kind of brine/mysis shrimp flat pack.
As well as a sheet of green and a sheet of red nori.

I don't dose much of anything some phytomax and lugol about 1 a month if I rember.

The last fish I added is doing good added him about a month ago (red scouter) and befor that nothing for 3-4 months for fish, some coral.

I'm still using tap water ( need to finish installing my rodi), and an battling a algae problem. So I am running 2 tlf 150 with a bit of rowa phos in them. These were the last thing to change in my tank, just started to use them so I've turned them off, hoping things will change for the fish. Not caring about the algae.

More about the system (been up and running for about 6-7 months)
150g with a 25g (water volume)or so sump, I have a skimmer running. But I don't have enough water turn over, so I have 4 korolia 3. For tank mates I have
1 clown
1 red scoter blennie
1 yellow tail damsel
3 green chromis
1 yellow hawain tang (3-4 ")
1 domino damsel (2-3")
1 Sailfin tang (3-4")
1 Hippo tang (3-4")
1 watchmen gobi/tiger pistol shrimp pair
1 long spine unchin
1 peperment shrimp
and cuc.

So whats going on? Is there something in the water now that they have removed floride from our water in Calgary? Something in the water in the NE?

I don't want to lose any more fish. Most of them I've gotten when they are big, but I've had the clown and the bengaii for over a year now, got them when they were very small.

Well that is my tale of woe. Any insite would be very helpful.
Cheers