Blagdon Pond Filter Bio Start contains millions of biological bacteria to kick start the essential pond cycles. This ensures pond water is safe for fish. Boosting the levels of bacteria in your pond with bio start will help biological filtration processing pond waste. Use through out the pond season. Essential for new pond start ups and in spring as the biological cycles needed to remove fish waste have not been established. Bio start is very easy to use just add pack contents directly in to your filter.

Product Details;

• Easy to use.
• Single sachet Treats 2,273 litres (500 gallons)
• Four sachets Treats 9,000 litres (2000 gallons)
• Contains millions of good bacteria.