NT Labs Mediclay is a high-purity montmorillonite clay powder that improves water clarity, reduces algae, and supports the overall health and appetite of Koi. Ideal for regular pond maintenance or during periods of fish stress or recovery, it works by encouraging beneficial bacteria while limiting waste, algae, and pollutants.

Key Features:

• Available in 1.5kg, 5kg, and 20kg sizes
• High-grade, ultra-fine powdered montmorillonite clay
• Improves Koi appetite and vitality
• Clears water and reduces algae growth
• Supports nitrifying bacteria in the pond
• Compatible with salt and all water temperatures
• Use weekly for clarity or daily when fish are unwell

NT Labs Mediclay is easy to dose and safe for routine use in Koi ponds. For general water clarity, apply 100g per 4,500 litres weekly. If your fish show signs of ill health or physical damage, apply 200g per 4,500 litres weekly. Do not use while medicating the pond. Use alongside dechlorinators when topping up water if needed.