Kasco Pond Probiotics Macro-Zyme Beneficial Bacteria

Kasco Pond Probiotics Macro-Zyme Beneficial Bacteria is a safe, non-chemical approach to water quality management, chosen by pond professionals since 1991. Its highly concentrated blend of naturally occurring bacteria and enzymes quickly breaks down sludge, muck, fish waste, and odours to produce a healthy, balanced pond ecosystem.

Key Specifications

• Formats: quick-dissolving 8 oz water-soluble bags (treats 1/2 acre-ft each, reapply every 3 weeks), case of 40 bags (up to 20 acre-ft), 25 lb bulk pail (up to 25 acre-ft), and time-release 6 lb Muck Block (up to 6 acre-ft, reapply every 30 days)
• Safety: non-toxic to humans, fish, wildlife, and livestock; safe for irrigation ponds; no permit required
• Application: simply apply in water 55°F (13°C) or warmer and let the bacteria go to work
• What it treats: eliminates fish waste, digests organic compounds, and removes decaying grass and leaves
• Shelf life: at least 2 years

Which format is right for your pond?

Use 8 oz bags for small to medium ponds and regular dosing through the season; choose the Muck Block for medium to large ponds and feeder streams needing monthly treatment; and pick the case or 25 lb bulk pail for large ponds or season-long programs. For spot treatment around docks and swim areas, see our Macro-Zyme Muck Pucks. Email Info@fountaindepot.com with your pond size for a dosing recommendation backed by 50+ years of pond service experience.

Make it work harder

All Macro-Zyme formats become significantly more effective when combined with aeration — pair with a Kasco surface aerator or diffused aeration system for best results.

Shipping & Returns

Ships across Canada from stock — delivery typically takes 3 to 5 business days depending on province. Contact us to arrange returns of unopened product within the applicable return period.