need help all coral dying

singleactionarm

New member
hi :cool::beer:

i have a 75 gallon no sand bare bottom tank with every coral dying currently and i dont know the cause. maybe a more experienced member can help me out here?

heres some stuff that might help:

theres one SPS, a few LPS (all of them are retreating into skeleton), and three leather corals that have slime on them and it looks like theyre shedding

phosphates- undetectable with salifert kit
nitrates- 50ppm with salifert kit

the above two tests were done 3 days ago. 2 days ago I took out the sump and cleaned it, it was an absolute mess with at least 2 inches of gunk on the bottom. massive clean up of everything down there.

calcium- 350 ppm with red sea titrate kit
alkalinity- 6.2 dkh with red sea titrate kit
magnesium- 1200 ppm with red sea titrate kit

the above 3 tests were done last night so i dosed 100ml of alkalinity part to bring dkh up by 4 dkh and 200 ml of calcium to bring it up 64 ppm. i know youre supposed to dose equal parts but that would take forever to bring up the calcium then so I did a 1:2 ratio.. no idea if that's ok or not but I risked it :hmm5:

ive also been dumping a shot of vodka into the aquarium to carbon dose for the last 3 or 4 days once daily.

temperature- 81 degrees


as of right now ive turned down the heater to bring down temp to 78 and also i took a powerhead and blew off all the gunk on the leather corals. i also used the powerhead to blow into the rocks and a storm of detritus came out... waiting for that to settle down then ill do a water change. theres also some GFO and denitrate from seachem running in a reactor.


any ideas on how i should be moving forward? ty :fish1:
 
These SHOULD be your readings.
Nitrate under 20, around 2:
temperature 79-80
Magnesium 1300 (set it first)
Alk about 8.3
Calcium about 420.

Immediately do water changes and do them semi-weekly until the nitrate comes down. Immediately raise mg to 1300, test til perfect, then start raising alk, test til perfect, then raise calcium, test til perfect. FOllow supplment package directions.
 
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