Phosphate And Iodine Free Salt ; 5 kg.
For biofloc aquaculture iodine free salt is recommended.
Normal table salts are full of iodine and it manufactured/process from Seawater.
normal commercially available salt further added iodine as per Department of Health & Family Welfare to prevent goitre / thyroid disease.
The concentration of iodide in sea water is approximately 50 ppm per liter.
Iodine kills all types of Bacteria including floc formation enzyme-bacteria.