72 gallon bowfront bedroom build

lliieemm

New member
I'm afraid of the ridicule i'll receive for things i haven't done correctly but I try to do research before I try things out and ultimately i want my fish alive and healthy. oh well, this thread might be mainly be for my historical usage. if i end up figuring things out, i hope others can learn from my adventure too.

5/21/15 pick up the fish tank from a craigslist seller. 72 gallon bow front, 20 gallon sump, aquatic life t5 (4 bulb) plus LED night light, mag 7 sump pump, 300w heater (died the next day), 750gph circulation pump, aragonite substrate, good amount of live rock, tank has been running for about 2.5 years
https://youtu.be/VBbLycdibGw
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5/22/15 do a water test. Nitrates are 160+ppm!!! i freak out and try a 75% water change. Afterwards the nitrate reading is still 160+ppm!
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5/24/15 - added some seachem prime liquid to help reduce nitrates
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5/27/15 - changed the rocks around
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5/31/15 - 20 gallon water change. nitrates still read 160+ppm. added instant ocean nitrate reducer and sea buffer

6/2/15 - added 3 tail spot blennies. a few days later i found one jumped out of the tank while i wasn't home :(

6/4/15 - 22 gallon water change. nitrates still read 160+ppm

6/6/15 - added a bag of live copepods
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6/9/15 - added eheim Ultra G Series 160 Model canister filter

6/10/15 - added a few small dead rock

6/11/15 - nitrates still read 160+ppm. added instant ocean nitrate reducer liquid

6/13/15 - hooked up home reverse osmosis unit. 20 gallon water change. nitrates still read 160+PPM

6/14/15 - after some online research i decided to go with someone's suggestion that the aragonite substrate is holding a bunch of the nitrates. picked up 40 lbs of sand to replace the aragonite. I probably removed about 60-75% of the aragonite in total. I did it in two phases, took out about 25% the first time. Then waited about 2 weeks then removed 40%.

6/18/15 - added macro algae to the sump

6/19/15 - 20 gallon water change. nitrate reading looks a little less red. i'm marking it as 80-160 ppm. starry blenny added.

6/23/15 - overflow box is loud. i added the filter foam to allow the water to trickle in instead of rush through the intake pipes. that greatly reduced the water sound.

6/25/15 - 20 gallon water change. nitrate reading looks less red again. i'm marking it somewhere between 40-160ppm

6/26/15 - RO water test. 0ppm for ammonia and nitrates

6/25/15 - 20 gallon water change. nitrate 20-40 ppm. added clean up crew. with the lower nitrates the green algae doesn't seem to be growing.
5 Snail Trochus
1 Snail Ninja Star
5 Snail Cerith
5 Snail Nerite
15 Hermit Blue Leg


copepods https://www.youtube.com/watch?v=CUUZADCjJJw
two spot blenny https://www.youtube.com/watch?v=oRSVF2LLPT0
 
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7/1/15 - 20 gallon water change. nitrate 10-20 ppm.
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7/1/15 - snail eggs! the location of the eggs are in the far back corner of the tank, so i couldn't get a good picture.
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Wow that is a lot of algae! Question though, high nitrates aren't that great for the tank, obviously you are working to bring them down, but why would you add fish while you work through this problem? Wouldn't it be better to get the issue under control before putting fish into an environment that isn't great for them?

Also, maybe adding in some sort of fuge loaded with Macro algae would help getting the nitrates down.
 
the fish added were algae eaters. i agree high nitrates isn't good for them, but i wanted to get them started on eating the algae. probably not a smart way to go, but they seem fat and happy.

i added macro algae a couple of weeks ago - https://www.youtube.com/watch?v=4T1Ci_uNHS0

Wow that is a lot of algae! Question though, high nitrates aren't that great for the tank, obviously you are working to bring them down, but why would you add fish while you work through this problem? Wouldn't it be better to get the issue under control before putting fish into an environment that isn't great for them?

Also, maybe adding in some sort of fuge loaded with Macro algae would help getting the nitrates down.
 
7/2/15 - manually tried to pluck off brown algae and remove large chucks. seems like the brown algae itself is easier to remove now than before. is this due to the lower nitrates?

I also hooked up the protein skimmer. this morning already there was a nice green/brown 1/8 cup filled up not dark but not light.
 
You may want to check your phosphate level... That leads to a lot of algae too. If high a phosban reactor helps greatly! Good luck!

that was going to be my next step if the nitrates didn't come down. but i got some good news, check out this image. just did another 20 gallon water change

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