water-quality - Leeds Koi And Pond Centre

💧 Water Quality

Learn everything you need to know about maintaining perfect koi pond water. Browse our beginner-friendly guides covering ammonia, nitrite, nitrate, pH, KH, GH, chlorine, chloramine, water testing and more.

Why Are My Koi Gasping at the Surface? (Complete Beginner’s Guide)

Why Are My Koi Gasping at the Surface? (Complete Beginner’s Guide) 📘 Part of the Leeds Koi Knowledge Hub Written by the Leeds Koi Team Estimated Reading Time: ⏱️ 9 Minutes This guide forms part...

Signs of poor water quality in koi ponds including gasping koi and pond water testing

Signs of Poor Water Quality in Koi Ponds (Complete Beginner’s Guide)

Signs of Poor Water Quality in Koi Ponds (Complete Beginner’s Guide) 📘 Part of the Leeds Koi Knowledge Hub Written by the Leeds Koi Team Estimated Reading Time: ⏱️ 10 Minutes This guide forms...

Common water quality problems in a koi pond with healthy koi and pond water testing equipment

Common Water Quality Problems in Koi Ponds (Complete Beginner’s Guide)

Common Water Quality Problems in Koi Ponds (Complete Beginner’s Guide) 📘 Part of the Leeds Koi Knowledge Hub Written by the Leeds Koi Team Estimated Reading Time: ⏱️ 10 Minutes This guide forms...

How to raise pH in a koi pond safely using Microbe-Lift pH Plus

How to Raise pH in a Koi Pond Safely (Complete Beginner’s Guide)

How to Raise pH in a Koi Pond Safely (Complete Beginner’s Guide) 📘 Part of the Leeds Koi Knowledge Hub Written by the Leeds Koi Team Estimated Reading Time: ⏱️ 9 Minutes This guide forms part of...

Koi pond owner lowering pond pH safely using Microbe-Lift pH Minus while testing water quality.

How to Lower pH in a Koi Pond (Complete Beginner’s Guide)

How to Lower pH in a Koi Pond (Complete Beginner’s Guide) 📘 Part of the Leeds Koi Knowledge Hub Written by the Leeds Koi Team Estimated Reading Time: ⏱️ 9 Minutes This guide forms part of the...

How to raise KH safely in a koi pond using KH buffer to maintain stable pH and healthy pond water.

How to Raise KH in a Koi Pond Safely (Beginner’s Guide)

How to Raise KH in a Koi Pond Safely (Complete Beginner’s Guide) 📘 Part of the Leeds Koi Knowledge Hub Written by the Leeds Koi Team Estimated Reading Time: ⏱️ 9 Minutes This guide forms part of...

Koi pond owner testing pond pH after noticing changing water conditions.

Why Is My Pond pH Changing? (Complete Beginner’s Guide)

Why Is My Pond pH Changing? (Complete Beginner’s Guide) 📘 Part of the Leeds Koi Knowledge Hub Written by the Leeds Koi Team Estimated Reading Time: ⏱️ 9 Minutes This guide forms part of the...

Koi pond owner testing nitrate levels while carrying out a partial water change to improve pond water quality.

How to Reduce Nitrate in a Koi Pond (Beginner’s Guide)

How to Reduce Nitrate in a Koi Pond (Complete Beginner’s Guide) 📘 Part of the Leeds Koi Knowledge Hub Written by the Leeds Koi Team Estimated Reading Time: ⏱️ 9 Minutes This guide forms part of...

Koi pond water being tested while performing a safe water change to reduce nitrite levels.

How to Lower Nitrite in a Koi Pond Safely (Beginner’s Guide)

What Causes Nitrite Spikes in Koi Ponds? (Complete Beginner’s Guide) 📘 Part of the Leeds Koi Knowledge Hub Written by the Leeds Koi Team Estimated Reading Time: ⏱️ 9 Minutes This guide forms...

Koi pond owner lowering ammonia safely using water testing, partial water changes and biological filtration.

How to Lower Ammonia in a Koi Pond Safely (Complete Beginner’s Guide)

How to Lower Ammonia in a Koi Pond Safely (Complete Beginner’s Guide) 📘 Part of the Leeds Koi Knowledge Hub Written by the Leeds Koi Team Estimated Reading Time: ⏱️ 10 Minutes This guide forms...

Healthy koi swimming in a pond with an ammonia warning and water testing equipment illustrating ammonia spikes in koi ponds.

What Causes Ammonia Spikes in Koi Ponds? (Complete Beginner’s Guide)

What Causes Ammonia Spikes in Koi Ponds? (Complete Beginner’s Guide) 📘 Part of the Leeds Koi Knowledge Hub Written by the Leeds Koi Team Estimated Reading Time: ⏱️ 10 Minutes This guide forms...

Water testing checklist for koi ponds showing weekly pond water testing routine.

Water Testing Checklist for Koi Ponds (Complete Beginner’s Guide)

Water Testing Checklist (Complete Beginner’s Guide) 📘 Part of the Leeds Koi Knowledge Hub Written by the Leeds Koi Team Estimated Reading Time: ⏱️ 8 Minutes This guide is part of the Leeds Koi...