Powder (spread evenly across the shrimp pond): - in normal conditions - 10 kgs per 1 rai (every 10-12 days);
- for increased ammonia control - up to 20 kgs per 1 rai (every 10 days).
Granular (3-5mm): - for open systems - spread on the bottom of pond (20 kg/rai every 20 days; for increased ammonia control - spread every 15-20 days);
- for closed systems (see chart below) - use as filtering media by passing water through a zeolite bed as it enters the pond.
*- after it is saturated with ammonia, Z-MIN Clinoptilolite can be used as an effective fertilizer for fruit and vegetables.