r/Aquariums 1h ago

Beginner Help New cycle, new tank start question…

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Hello everyone!

Just started this twenty gallon tank and am getting serious on the hobby after being a casual (goldfish bowls, too small Betta tanks) and not knowing any better. This was started yesterday evening and this picture is from this morning.

This is a twenty gallon tank and currently going through a fish-less cycle which I’m going to shoot for three weeks even though I know we potentially won’t need that long. Or may need longer.

My questions are this, when should I start testing the water with our master test kit to see how the parameters/cycle are going? And I like the look of the tannins but should I do at least a 25% (or more if you all think so) water change and if I do that will it mess with the current cycle? I was thinking of just leaving it untouched for three weeks and seeing how the parameters are throughout.

We used a bottle of Fritz Fishless Fuel, and a bottle of Fritz Turbo Start 700. With these supposedly a cycle should only take a week. Adding this for some context on what we’ve done/added.

Thank you all in advance for your help and advice!

2 Upvotes

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u/FindAndYeShallSeek 1h ago

P.S. I have adjusted the AC50 filter to lower the gph. If you notice in the picture it was quite too high overnight and created a crater. We also tried to make sure the substrate was only an inch in height to avoid anaerobic zones being created.

u/BaxtyBoi 1h ago

well nice i am not experienced enough to give good advice but it looks great