Not sure what to do? Cycle? Water change? Or just wait

russells55

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Hi all.

I’m not sure what to do next.
heres the situation.

My friend has given me his fluval evo 13.5 tank. I have had freshwater tanks for years and still do but never saltwater. However I like to think i have a fair idea of what im doing.

bit of info on the Evo tank. He had it setup for about 2-3 years all stock stuff (filter/light) but about 2 months ago he upgraded to a 70gallon. I’m told it use to have: 2 clown fish , 3 small torch corals , 5 frags, bunch of snails and hermit crabs and 3 live rock chunks and live crunched coral sand.

He said he took out a bunch of thing and has been neglecting this tank. All that’s left now is 1 live rock chunk 1 frags and a bunch of snails and 2 hermit crabs and the sand.

then just before I got the tank the power block for the light got cut by a vacuum or the cat lol. So no light at all for about a week I’m told.


so jump to me now.
The tank was dirty and came 1/3 full. I mixed up a batch of new salt water mostly Rand some tap. filled it up and set it up on a stand. Fixed the light power supply.

right away the tank seamed to come to life about 12 little snails and bristle worms? All moving around in the sand.
I added a DIY filter cage for chamber 1 on this in tank sub thing and filled it with fluval white ceramic blocks. Then added more live rock a peppermint shrimp and did a 30% water change and sand gravel vac.
I tested and got:
Nh3 0.25 No2 0.5ppm n03 5-15ppm

shrimp seamed happy.

24 hours later: 0 ammonia. 0 nitrite and 5-15 for nitrate (Color are hard to tell a difference)

3 days later all still 0, 0, 5-15

so I was thinking since it was an establishment tank I didn’t need to cycle or it did a mini one.

i then bought more livestock then I would have normally done but it was Boxing Day sale and 20% or more off everything at big als so I went a bit nuts I know my bad.
Now I have 1 clown fish, 2 peppermint shrimp and 2 small torch corals , 2 goniopora (that won’t open) and 2 green candy cane frags (I think that’s what there called) plus the 1 frag the tank came with.

for the last 2 days the nh3 ammonia has gone from 0 to 0.5 to 1.5 ( I then did a 30 % water change) down to 0.75 today

what should I do here…
I have seachem prime and pristine and stability plus an api ammonia lock. I don’t really use these for my freshwater ever but I belive there still good. If anyone thinks that should help.

i was thinking lock up some of that ammonia?
Or do I just do more water changes. (Every time I do a water change I seam to have issues with the salt level even though I pre mix it to 1.025 )

should I buy a phosphate test kit?

Thanks in advance sorry for the long rambling post
 
I personally would replace 75% of water with RODI water as tsp will create a nightmare and offer you algae
Add liquid bacteria supplement daily at 1ml per 10 gallons and test water - avoid api test kits
Enjoy the inverts you have for a few weeks before adding fish and confirming water results are stable
Temp 77-79
Salinity 1.024
Ph 8.1-8.3
Ammonia. <.25
Nitrate < .15
 
Thanks.
I did just that. More like 70% water change.
also I have a type O up there I meant to say I filled it with mostly RO water and did again this time.

i only have a very small RO system for water bottles my wife claims, either way it only seams to output about a few gallons at time then needs hours untill the flow is back.
 

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