Mr. Root, the voice of StoneAndRootSTONEANDROOT
Six weeks, one line a day

Stop guessing when your new tank is ready for fish

A free printable log for your planted tank's first six weeks. Write ammonia, nitrite and nitrate on one line a day, follow the water change rules, and run the ready check before you buy a single fish.

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$0 for your email. A 9 page PDF, sized for letter paper.
Edition 1, November 2026. Sources checked and listed on page 9.

Cover of The First 6 Weeks Cycle Log
2 Fish go in when the numbers say so 3 Three numbers, one after another 4 Five minutes, then one line 5 to 7 The log, 42 days 8 The ready check

The tank looks ready. That's the problem.

The water's clear, the plants are in, and the video you watched made it look like fish go in on day one. Then you read the comments, and everyone is asking the same small questions nobody answers.

"how often does it require to get cleaned ?"

The honest answer for a new tank is that the first six weeks aren't about cleaning. They're about waiting for bacteria you can't see, while three numbers rise and fall in a set order. Miss the order and every reading looks like an emergency. Change water at the wrong time and you starve the cycle. Add fish too early and they pay for it.

This log turns the wait into something you can watch. One line a day. By week three or four you'll see the curve on your own page.

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The one test that says "ready"

Here's the method from page 8, free. A single zero reading doesn't prove your tank has cycled, especially a planted one, because plants soak up ammonia too.

WHAT MOST PEOPLE DO
Ammonia reads 0 today. Fish tomorrow.

The plants hid the ammonia. The bacteria aren't there yet, and the first fish meet a tank that can't handle their waste.

THE 24 HOUR TEST
Dose 2 ppm. A day later, ammonia and nitrite both read 0.

Do it two days in a row, with nitrate showing. Then change most of the water and add the first few fish.

The 2 ppm dose and 24 hour test follow Dr. Tim's Aquatics' fishless cycling guidance. The log lists every source on its last page.

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What's inside, 9 pages

Flip through it

Page 3: the three numbers and the cycle chart
p. 3, the cycle in one chart
Page 5: the log for weeks 1 and 2
p. 5, the log
Page 8: the ready check
p. 8, the ready check
Page 4: testing steps and water change rules
p. 4, when to change water
Page 2: start here
p. 2, start here

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Mr. Root

Mr. Root, from StoneAndRoot

StoneAndRoot answers the questions scape videos skip: what it costs, how much to buy and how long to wait. The stance is short. Cycle for at least three weeks, and no bottle replaces it. Give the number first.

We read the published guidance and a peer-reviewed study, compared them, and took the careful side. Where they disagree, as Dr. Tim's Aquatics and The Shrimp Farm do on how many passing days to wait for, the log waits longer.

Once you're on the list, StoneAndRoot emails you about the channel's guides. You'll also hear first when the Blueprints come out.

Questions

My tank already has plants. Do I still need to cycle?

Yes. Plants help, but they don't build the bacteria that handle fish waste. Page 3 explains why planted tanks can look ready before they are.

Do I have to test every day?

No. Every second day works. The log has a line for every day so you never have to count, and gaps are fine.

What if my tank takes longer than six weeks?

Some do. Print the log pages again and keep going. The ready check is the finish line, not day 42.

How do I get it, and does it work on a phone?

Enter your email and the download appears right away. It's a PDF, so it opens on any phone, but it's made to print and keep by the tank.

Is it really free?

Yes. You'll get emails from StoneAndRoot, and you can unsubscribe from any of them in one click.

The tank decides. The log lets you hear it.

Nine pages, 42 lines and one test that tells you when fish can go in.

You'll also get emails from StoneAndRoot. Unsubscribe any time.

$0 for your email. A 9 page PDF arrives right away.