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Tom K

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I have been up & running for a week now. 90 gal tank, 30 gal sump. 50+ lbs live rock, 50+ lbs base rock, 1 1/2 " aragonite substrate (came dry). I still have 0 readings for ammonia, Nitrate & Nitrite. Should I "seed" the water with something organic, to speed a cycle??
Also should I be adding anything nutritional for all the small "critters" in my live rock??
 

skene

Winter. Time for Flakes..
Location
Queens
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Be patient. Tank cycles usually take some time for a spike to pop up. If you want to try your luck get yourself something you wouldn't mind losing and that's cheap enough that you wouldn't be mad over.
Maybe an inexpensive domino or 2 to help the tank cycle.
 

KathyC

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Barnum Island
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Yes, a very small pinch of flake food will do it, every few days to feed the bacteria as well as whatever critters may be on your rocks.
If your live rock had near no die off you may not see much of a cycle but try and be patient! :)
Ultimately you want to get the tank to the point where there is enough bacteria to sustain your clean up crew (the first real critters you will be adding). In another week you may want to drop a shrimp (like we eat, not a live one!) in the tank and see if the ammonia level increases. Once it does, you take the shrimp out and see how quickly the ammonia level drops..to nitrite..and then to nitrate. If all goes well, then you can add a small clean up crew to start off and continue monitoring your levels.
But do keep adding the pinch of food every few days as your bacteria will die if it has nothing to eat :)
 
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KathyC

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Barnum Island
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Be patient. Tank cycles usually take some time for a spike to pop up. If you want to try your luck get yourself something you wouldn't mind losing and that's cheap enough that you wouldn't be mad over.
Maybe an inexpensive domino or 2 to help the tank cycle.

We at MR do NOT advocate the use of live creatures/fish to cycle a tank.
There are other methods of cycling a tank that do not cause the death of the creatures to which we devote our time to help educate reefers to provide a healthy environment for them to live.
 

masterswimmer

Old School Reefer
Vendor
Location
NY
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Tom, I agree with Kathy in every way.

I believe you said you had your LR in a tub with a heater and a powerhead. I don't recall how long you had it in there, but it might have been long enough for whatever die off there was to cure your rock and you wouldn't see any spikes in the ammonia, 'trite, 'trate cycle.

What happens to the good bacterial colonies if there is nothing for them to feed on (or in our case, process) such as detritus, waste product from fish, etc.? The bacteria will die just like a fish would without food.

These bacterial colonies will grow within your tank. That's why it's not recommended to add large quantities of fish at one time. The waste they produce will be more than the biological colonies can handle. However, the increase in bio-load of more fish will cause your bacteria colonies to multiply and allow the system to gradually accept more of a bio-load (ie: more fish).

As your tank matures it will be easier to add more of a bio-load at the same time than it was at the beginning of your young system.

If you follow Kathy's well laid out plan, exercise patience (most important), and endure the pending other cycles, such as algae cycles (an inevitable and expected nuisance), you'll be well on your way to a reef system.

Also, please don't use other live animals to cycle your tank. It is inhumane. If the animal doesn't die it will go through pain and suffering. High ammonia can kill fish (that's why we cycle the tank to avoid this) or at the very least can burn their gills.

You've been great with your methodical and systematic approach to starting your system. I applaud you for that and also for asking questions BEFORE doing things.

swimmer
 

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