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Blagdon Water Quality Bio Start


Fish disease and death often result from poor pond water quality caused by fish waste building up to toxic levels. This dangerous condition typically occurs in new ponds and in the spring. At these times the biological cycles required to remove fish waste have not yet been established.

Bio Start contains biological cultures which within hours begin to set up the essential cycles that ensure pond water is safe for fish. Each sachet contains 8500 million bacteria to consume the fish waste.

Use Bio Start whether you have a filter or not to establish a new pond, to kick start the pond out of its dormant stage in spring, whenever you experience fish problems or it test kits indicate high levels of toxic waste.

Easy dose – each sachet treats up to 500 gallons and has an unlimited shelf life. Harmless to any species of fish, plants or other pond life. Impossible to overdose.

Available Sizes:

1 sachet – treats 500 gallons (2250 Litres)

4 sachets - treats 2000 gallons (9000 Litres)

Additional information


x1 Sachet, x4 Sachets