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Clean Pixel Studios
What it does

Built around the jobs fishkeepers actually do

You typeWe calculate
Water tests

Check every reading against the right range

Log ammonia, nitrite, nitrate, pH, GH, KH and temperature, plus salinity, calcium, alkalinity and magnesium for reef. Each reading is checked against the band for that tank type.

Test resultsIn or out of range
New tanks

Know when a new tank has cycled

Log ammonia, nitrite and nitrate each day. The tracker reads the curve and shows which stage the tank is in, all the way to Cycled.

Daily NH3, NO2, NO3Cycle stage
Maintenance

Keep water changes on schedule

Record water changes, filter cleans, media swaps and dosing. Days since and next due fill in, and the Dashboard counts tanks that are overdue.

Water changes, cleansNext due
Livestock

Keep a record of every fish, coral and invert

Cost, source and date added for each one, and the date and likely cause if one is lost. The Dashboard shows total spend and your survival rate.

Livestock, costSurvival rate
Stocking

Check stocking before you buy

Enter the adult size of each species and the Tanks tab estimates the load against tank volume, from Empty to Overstocked.

Adult sizesStocking level
Equipment

Service gear before it fails

Filters, heaters, lights and pumps with service intervals and lifespan, so a bulb or heater that is due shows up on its own.

Gear, intervalsNext service
Inside the spreadsheet

10 tabs in one file

  1. Start Here
  2. Dashboard
  3. Tanks
  4. Water Test Log
  5. Cycling Tracker
  6. Maintenance Log
  7. Livestock
  8. Plants
  9. Equipment
  10. Settings
Start Here
Setup steps, color key and a tour of every tab.
Dashboard
Status, alerts and to-dos for every tank side by side.
Tanks
Your tanks with type, volume, stocking level and last service.
Water Test Log
Every test, checked against that tank type's target range.
Cycling Tracker
Daily nitrogen cycle readings with the current stage.
Maintenance Log
Water changes, cleans and dosing with next-due dates.
Livestock
Fish, coral and inverts with cost, status and days owned.
Plants
Aquatic plants for each tank with placement, cost and notes.
Equipment
Gear with cost, lifespan, service dates and replace-by date.
Settings
Target ranges for six tank types, intervals and dropdown lists.

Pair it with

Reviews

What buyers say

5.0Shop rating on Etsy, 7 reviews
Read every review on Etsy
Shop review
“Excellent! Very easy to use.”
Etsy buyer · September 2026
Shop review
“Nice Organization for 4H projects”
Etsy buyer · September 2026
FAQ

Before you buy

I keep freshwater, not reef. Is it still a fit?

Yes. Choose Freshwater, Planted, Cichlid, Brackish or Shrimp and your readings are checked against that range. The reef-only columns simply stay empty.

Can I track more than one tank?

Yes. Every log has a Tank column and the Dashboard lines up all your tanks side by side, from a single betta tank to a full fish room.

Can I change the target ranges?

Yes. The low and high values for all six tank types are editable on Settings, along with water change and test intervals and the stocking rule.

How many entries does it hold?

Each log has 500 rows, covering water tests, cycling entries, maintenance, livestock, plants and equipment.

What do I get?

An Excel file (.xlsx), a filled-in sample to look at, and a quick-start PDF guide with a link that makes your own copy in Google Sheets.

How does delivery work?

You get your download links right after checkout, and Stripe emails your receipt. There is nothing to ship and nothing to wait for.

How do I set it up in Google Sheets?

Open the quick-start PDF and click the Google Sheets link. Google makes a copy in your own Drive that only you can edit. You need a free Google account.

Will it work on a Mac?

Yes. It works in Excel on Mac and Windows, and in Google Sheets in any browser.

I'm not a spreadsheet person. Is that a problem?

No. You only type in the yellow cells. Everything in gray works itself out, and the Start Here tab shows you where to begin.

Can I get a refund?

Templates are digital downloads, so sales are final. If a file won't open, is broken or doesn't match its description, email hello@cleanpixelstudios.com within 30 days and we'll fix it, or refund you if we can't.

What if I get stuck?

Email hello@cleanpixelstudios.com and we'll help you get it working.

Aquarium Tracker Spreadsheet$14.99 · one-time price · instant download · Excel and Google Sheets

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Made by Clean Pixel Studios

We start every template by reading what people in that line of work say they struggle with, then build the spreadsheet around those problems. This one was made for fishkeepers and nobody else.

How we build templates