Tank cycle question

Bonsai reef

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I have started cycling my 24g nano cube (dry rocks+live sand) a week back. Ghost feeding fish food pallets from day 2. On day 6, both ammonia and nitrite measured at 0.25 and nitrate at 0. I have added Dr Tim’s one and only on day 6.
Day 8 - ammonia is at 0.25, nitrite - 0 and nitrate-5. Is that normal?
 
So api will always register as .25 because it test for total ammonia, so my tank for years has been .25 ammonia. What you're looking for is 0 (or in this case, .25) ammonia, 0 nitrite, and you'll have a small nitrate reading. It sounds like you're on the right track. What is your next step? You want to add fish? You could probably put a damsel in and be ok. Just don't add too many too fast. Your beneficial bacteria will need to catch up to your bio load. Add a fish, ammonia will rise, bacteria will grow and turn it into nitrite then into nitrate. What kind of filtration do you have?
 
So api will always register as .25 because it test for total ammonia, so my tank for years has been .25 ammonia. What you're looking for is 0 (or in this case, .25) ammonia, 0 nitrite, and you'll have a small nitrate reading. It sounds like you're on the right track. What is your next step? You want to add fish? You could probably put a damsel in and be ok. Just don't add too many too fast. Your beneficial bacteria will need to catch up to your bio load. Add a fish, ammonia will rise, bacteria will grow and turn it into nitrite then into nitrate. What kind of filtration do you have?

I would like to wait for few more weeks before adding fish or coral. I want to do the fishless cycle. I would probably add Dr Tims ammonium chloride. I have the AIO 4 stage filter system that came with the tank.
 
Your on the right track, you can start planning out your stocking to add in a few weeks. Did you have any fish in mind?

Since it’s a 24g, wouldn’t go beyond 2-3 small fishes and few cleanup crews. My long vision is more of a mixed reef tank with less fish. I would start with cleanup crews and then fish and corals. I am confused between clownfish and damsel. While clowns are good for display but less active than damsel. So still not decided.
 
Clean up crew on a nano is limited unfortunately. Since you have sand, I would consider the following 3 types of snails. Long term it'll save you money and does work and are not destructive in the tank based on my own experience.
  • NASSARIUS SNAILS - for substrate, such as sand or gravel.
  • TROCHUS SNAIL - for green film algae and diatoms + they right themselves unlike astraea snail.
    • could reproduce in your tank so it's a good thing.
  • CERITH SNAIL - a little of both snail and rocks clean up
So why not:
  • hermit crabs - they need shells and will eventually kill your snails or die due to no shelter as they grow. They eat leftover/fallen food but so will your nassarius snail if you have them.
  • astraea snail - they're fine imo. just know some will die because "i've fallen and I can't get up issue" ;)
  • shrimp - they're iffy with corals and may take to snacking a few
I would not start putting clean up crew in until you have sufficient algae to support them. introduce a few at a time when needed.

For myself personally, I have been using only Trochus mostly and a few nassrius snails for last 6 months and moved away from cerith snail as I mostly have bare bottom tanks.

cycling a new tank is exciting for sure. as others mentioned for good reasons, take your time...enjoy the ride.

hth
 
Last edited:
Clean up crew on a nano is limited unfortunately. Since you have sand, I would consider the following 3 types of snails. Long term it'll save you money and does work and are not destructive in the tank based on my own experience.
  • NASSARIUS SNAILS - for substrate, such as sand or gravel.
  • TROCHUS SNAIL - for green film algae and diatoms + they right themselves unlike astraea snail.
    • could reproduce in your tank so it's a good thing.
  • CERITH SNAIL - a little of both snail and rocks clean up
So why not:
  • hermit crabs - they need shells and will eventually kill your snails or die due to no shelter as they grow. They eat leftover/fallen food but so will your nassarius snail if you have them.
  • astraea snail - they're fine imo. just know some will die because "i've fallen and I can't get up issue" ;)
  • shrimp - they're iffy with corals and may take to snacking a few
I would not start putting clean up crew in until you have sufficient algae to support them. introduce a few at a time when needed.

For myself personally, I have been using only Trochus mostly and a few nassrius snails for last 6 months and moved away from cerith snail as I mostly have bare bottom tanks.

cycling a new tank is exciting for sure. as others mentioned for good reasons, take your time...enjoy the ride.

hth
Thank you for the details!
 

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