Kōkiri Lab
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Kōkiri Lab · Share & impact · Community science

AwaKai — students monitoring aquaponics tanks for food-growing systems

Share & impact · 02 · Measure · Community science · Aquaponics & food growing

Grow food with living water

Log weekly readings from your aquaponics tank — pH, temperature, and notes — so schools and whānau can learn what keeps fish and plants thriving together.

Open: Tank readings with a place nickname — no stream visits required. · School: Ecosystem Health & Restoration inquiry world

One platform, two modes

First understand a system. Then help it thrive.

AwaKai's dual use, diagnostic in Ecosystem Health & Restoration and design-oriented in Regenerative Systems & Living, is a curriculum progression, understanding leading to intervention, not simply a platform feature.

Why your contribution matters

Healthy water is the heart of healthy land. Regular, careful readings from tanks and streams show what is changing and when: the kind of evidence councils, iwi and catchment groups need to decide what to do.

  • Your class, to diagnose a system and test a restoration idea (Ecosystem Health & Restoration, then Regenerative Systems & Living).
  • Other schools running AwaKai tanks, comparing what keeps fish and plants thriving.
  • Local catchment and restoration groups interested in stream health.

Community missions

Pick a mission for your class, your family or a group of schools.

  • Same time every week

    One reading a week, same time and spot, for a whole term: the simplest way to spot real change.

    1. Pick a day and time and stick to it.
    2. Record temperature and pH, plus anything you notice.
    3. At the end of term, graph it and look for a pattern.
  • Temperature through the day

    How much does the water warm up from morning to afternoon?

    1. Take readings at the start of school, lunch and home time.
    2. Repeat on 3 days with different weather.
    3. Explain what you find using sunlight and shade.
  • Mystery cloudiness

    The tank has gone cloudy. What changed?

    1. Record what happened in the last 2 days (feeding, sun, cleaning).
    2. Take readings and a clarity photo.
    3. Share your best explanation, and how sure you are.

For teachers and schools: work together

  • Tank buddies: pair with another school's AwaKai tank and swap readings each fortnight. Whose system is more stable, and why?
  • Agree on the same measuring steps so your numbers can be compared.
  • Invite a council freshwater officer or catchment group to hear your stream health findings.

Take it further: bigger NZ projects

Share observations, not people: no names, no faces, no home addresses. A place nickname and region are enough.

How it works

Sample → Measure → Submit → Compare

  1. Sample

    Same tank spot each week — mid-depth, after fish settle.

  2. Measure

    pH and temperature with a rinsed probe or honest strip reading.

  3. Submit

    Place nickname and region only — note feeding and what you observed.

  4. Compare

    Patterns over weeks beat one lucky number — compare like with like.

Read the full setup guide →

Show, don't just tell

Example reading card

Place
Room 12 aquaponics
pH / temp
7.1 · 22 °C
Source
Aquaponics tank

Same spot each week. Note feeding yesterday and probe (not strips) in your notes.

Borrowed from MaramaTrap's example-photo pattern — works for every platform.

Growing with science

Aquaponics links fish, plants, and water chemistry. These ideas help you read your numbers and grow better food.

  • Nitrogen cycle

    Fish waste → ammonia → nitrite → nitrate → plant uptake. Stuck at ammonia? Note it.

  • pH for tanks

    Many school systems target roughly 6.8–7.2 — compare your trend, not someone else's stream.

  • Food production

    Healthy water grows healthy greens — log when you harvest and what changed that week.

Good to know

  • pH for tanks

    Many school aquaponics systems sit around 6.8–7.2 — track your trend, not someone else's awa.

  • Nitrogen cycle

    Fish waste → ammonia → nitrite → nitrate → plants. Stuck at ammonia? Note it and ask why.

  • Growing food

    Healthy water grows healthy greens — log harvest weeks to connect chemistry and production.

Where AwaKai fits in the curriculum

One platform, two modes. Diagnostic mode asks whether a system is healthy; design mode asks whether an intervention helped. That shift, from understanding to intervention, is a curriculum progression, not just a feature.

Both modes use the same open water-reading log: place, region, water source, pH, temperature and notes.

Platforms are developed in response to curriculum and inquiry requirements, not the reverse.

Also try community science

The same fair-testing habits work across platforms — honest notes, repeat visits, no street addresses.

All 6 platforms →