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08-27-2012, 03:02 PM #1
started fishless cycle - double checking
To recap: 90 gal FW. aquarium gravel substrate (all washed pre filling). UGF with dual power heads + 1200 cascade canister filter (layered from bottom to top with floss, then carbon, then bio balls, then coarse sponge and floss).
Decor: Driftwood (non tanins). med to large rocks and silk plants. No real plants yet.
Filled tank yesterday. Treated water with Tetra Aquasafe Plus. Temp is 82 F and bubbler and filters are running fine. No lights yet but will get them by the end of the week.
Yesterday I dosed ammonia(ace hardware) as follows: 3 tsp - which brought level to 2 after about 15 min.
So I added another 3 tsp and ammonia upped to 4+ after another 15+ minutes.
So - all is good and I'm waiting several days before I test the water.
Today, however, I have a murky, cloudy tank (water was crystal clear yesterday). Does that mean I'm already getting a bacterial bloom or do I have a problem?
08-27-2012, 03:35 PM #2
If its white-cloudy then its a bacterial bloom... You don't need lights on the tank while its cycling, it'll only lead to algae problems.
08-27-2012, 03:39 PM #3
yes - it's white cloudy - like the bloom I got when I cycled my 30 gal (with fish).
So, great! Didn't expect to see it so soon but I guess that's because the ammonia level is so high? When I cycled with fish, I kept the level down as low as possible to avoid hurting the fish so it was a few weeks before I got a bloom. Will never cycle with fish again!
08-27-2012, 03:40 PM #4
08-27-2012, 03:42 PM #5
thanks L Hobbs.
I'm so excited to FINALLY get this tank started!
You well remember my fish in cycle experience. I tested DAILY and did tons of W/C and it took forever to get that tank cycled - but - I'm sure you'll also remember - I made a ton of newbee mistakes, like rinsing the filter media in tap water. :o(
Hopefully, this will be my last tank that I cycle. 3 is enough .... LOL
Last edited by fishmommie; 08-27-2012 at 03:49 PM.
08-27-2012, 03:43 PM #6
No problem! Did you add any seeded media? A day seems a little quick for such a huge bloom.
08-27-2012, 03:53 PM #7
Nope. I added nothing to seed. Decided I wanted to do a pure fishless cycle with only ammonia just to see how it works.
And with no lights on the tank it's a little difficult to tell just how murky the water is - I also have a black background (and the tank sits in a corner so 3 sides are dark) so it makes it even darker. I think I'm just dealing with a nice haze. Also thinking that the 82 temp and the extra bubbler might be speeding things up a bit. At least, I hope so.
08-27-2012, 03:54 PM #8
IMO there is no sense running carbon in the filter while you are cycling. I would save it for after if you want to use it at all.
UGFs are generally not used if you plan on adding real plants to the tank because the plant roots just clog them up, in fact, you may want to reconsider using it at all while you are just getting things started. Adding another canister filter would be much more effective filtration.
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"Keeping fish for any period of time doesn't make you experienced if you're doing it wrong. What does, is acknowledging those mistakes and learning from them." ~Aeonflame
"your argument is invalid." ~Mommy1
08-27-2012, 03:58 PM #9
I was just wondering the same thing. You have gravel and other filters on other tanks. Why not steal some media from them? No point in this taking weeks when it could be done almost instantly?
Kingfisher has a great idea and something I totally missed. I would yank that UGF out of there, too.
08-27-2012, 04:11 PM #10
Agreed to the seeding!