Heavy Duty 5 litre Large tanks
To use BioMagic for Large Waste Tanks
Large holding Tanks: Treat at the rate of 100mls per 100 litres of capacity divided into gradual doses. We recommend you add approx half the required dose with at least 2-3" water in base of tank at set-up. Then add more when the tank reaches half full or 5-6 days. If you only use it sporadically add 50 mls per 2 people per week.

Porta-Potty or Cassette: Add 30 mls to the flush tank & fill with water. Add 30 mls of Biomagic & 2-3 litres of water to the base tank . Toilet is now ready to use.
 

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