Greetings and a question regarding deaths while adding new fish.

[ReefDruid]

Hello everyone,

I have lurked around here for a while and it is about time I made an account. On a serious note, I was prompted to join because I am rather distraught over a continuing issue I seem to have. I was really hoping someone here could give me some advice. My fish are like my babies and it is sad losing any one of them. :S

I somewhat recently decided to start keeping marine fish in addition to the African Cichlid and community freshwater habitats I have.

My current marine setups are a 90 gallon w/ 30 gallon sump (~700 gph), SWC Extreme 120 skimmer and approx. 2800 gal/hr circulation. 10 lbs cured live rock, 80 lbs dry rock, 20lbs rubble, 100lbs live sand. 4x T5 HO. Running carbon.

Other setup is a 40B w/ live sand and live rock, HOB ~300 gal/hr, rubble and small amount of floss. Running carbon.

Both systems have livestock, the 40B has a Bi-colour Blenny, and the 90 gal has a female Maroon Clown, 4x Green Chromis, a 2" Blue Regal Tang (yes, I am aware he will need to move to a larger tank), and a Golden Midas Blenny. Tanks also have inverts (snails). Both systems have been running for 3-4 months. Other livestock appear active, friendly, voraciously hungry, and no other issues.

The issue I am having is that every time I purchase a WILD CAUGHT male maroon to join my female, they perish within 2 days of purchase. This is very sad, frustrating and shameful. The female Maroon, and a pair of 1.5" ocellaris in a 20 gal we have are all tank raised. No issues whatsoever with them. Beautiful, healthy specimens.

What is happening is that the fish starts breathing heavily (usually already so due to the shipping from LFS), I notice this for upwards of a 24 hour period. The fish will not eat, and is not active. The fish then may, or may not start to go to the surface for air, otherwise the fish has become lethargic and rapid breathing continues. Eventually the fish falls over, does this horrifying darting presumably because it is suffocating, and then flat-line.

Acclimation process is performed in a 2 gallon container, heated. Drip method employed over the course of between 1 to 3 hours. Dripped amount is approx. 3-6 times volume of the bag water.

Water parameters are as follows for (all) tanks (new API test kits used)

pH - 8.1
NH3/NH4 - 0
N02 - 0
N03 - 0 to 5.0
Phos - 0 to 0.25
KH - 7 to 11 dKH
Salinity - 35 ppt
Temp - 79 F

For the life of me I cannot figure out what I am doing wrong, and at this point I am going to swear off wild caught clowns. One other note of importance, this same process also happened with a pygmy angel I had.

I am fairly certain it is something I am doing, and I feel like an idiot about it because it is probably something not all that complex. Any help would be greatly appreciated.