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Weekly Maintenance Guide – Hydroponics
Weekly care checklist

Weekly Maintenance Guide for Your Hydroponic System

Spend a few minutes each week checking water, nutrients, and plants to keep your hydroponic towers lush, productive, and stress‑free.

Illustration of a hydroponic tower being checked and maintained.
Hydroponic care
10 min weekly routine
Nutrient guide

Leafy Vegetables – TDS Ranges

Greens & herbs

Use these typical TDS ranges as a weekly reference for lettuce, spinach, herbs, and other leafy crops in recirculating systems.

Week Growth stage TDS range (PPM)
Week 1 Seedling 300 – 400
Week 2 Early vegetative 400 – 500
Week 3 Late vegetative 500 – 600
Week 4 Harvest stage 600 – 700
  • Check water level: Ensure the reservoir keeps the pump fully submerged at all times.
  • Top up nutrients: Add nutrient solution gradually until the TDS returns to the target range.
  • Record readings: Log weekly TDS and pH so you can spot trends early.
Nutrient guide

Fruiting Vegetables – TDS Ranges

Tomato, chilli & more

Fruiting crops need slightly stronger nutrient solutions, especially from flowering onwards; the table below gives typical weekly ranges.

Week Growth stage TDS range (PPM)
Week 1 Seedling 500 – 600
Week 2 Early vegetative 600 – 700
Week 3 Late vegetative 700 – 900
Week 4 Flowering 900 – 1,000
Week 5 Early fruit set 1,000 – 1,200
Week 6 Fruiting 1,200 – 1,500
  • Watch plant response: If tips burn or leaves curl, dilute the solution slightly.
  • Refresh solution: Plan full reservoir changes every few weeks to prevent salt buildup.
Plant health

Weekly Plant Inspection

A quick visual scan helps catch nutrient issues and pests before they affect yield across the entire tower.

  • Leaf colour & texture: Look for yellowing, spotting, or scorched edges that hint at imbalance.
  • Root zone: Healthy roots are firm and light-coloured; remove any brown or slimy growth.
  • Pests & disease: Check leaf undersides and stems; use mild, organic controls if you spot insects.
System care

System & Hardware Check

Keeping pumps, nozzles, and plumbing clean each week protects your tower and ensures consistent nutrient delivery.

  • Pump & nozzles: Listen for unusual noise and clear any visible clogs or debris.
  • Leaks & flow: Inspect all connections for drips and confirm even flow across every level.
  • Clean surfaces: Wipe down exposed plastics and remove dead leaves to reduce algae growth.
Bonus tips

Get the Best Out of Your Tower

Simple habits like rotating towers, harvesting often, and keeping notes can significantly boost consistency and flavour.

  • Rotate for light: Turn the tower slightly each week for balanced light on all sides.
  • Harvest regularly: Pick outer leaves and ripe fruits often to encourage continuous new growth.
  • Maintain a logbook: Note what you planted, dates, and readings to refine your recipe over time.