BuffMAX KH Booster & pH Buffer

Product Details:

BuffMAX is a natural KH booster and pH buffer designed to support stable pond water chemistry.
By increasing carbonate hardness, BuffMAX helps prevent wide pH swings that can stress fish and disrupt biological filtration.
Maintaining proper buffering also supports the nitrification process responsible for converting ammonia and nitrite in the pond.

FEATURES
  • Helps maintain safe, stable pond pH — Reduces the risk of wide pH swings that can stress fish and disrupt pond biology.

  • Increases carbonate hardness (KH) — Strengthens the pond’s natural buffering capacity.

  • Supports biological filtration and nitrification — Helps maintain the conditions beneficial bacteria need to process ammonia and nitrite.

  • Helps maintain balanced pond water chemistry — Useful where low KH makes pH difficult to stabiliz

  • Reduces stress on fish — More stable water chemistry supports a healthier pond environment.

  • Aquatic safe — Safe when used as directed.

BuffMAX is a pond KH booster and pH buffer designed to maintain stable, balanced pond water chemistry.

Low carbonate hardness can allow pond pH to rise and fall quickly. These fluctuations can stress koi and goldfish while also interfering with the beneficial bacteria responsible for biological filtration. By increasing KH, BuffMAX strengthens the pond’s buffering capacity and helps maintain a more consistent pH.

Proper KH is also important for the nitrification process that converts ammonia to nitrite and nitrate. Maintaining adequate buffering therefore supports both pond water stability and biofilter performance, particularly during warmer months when biological activity and fish load are higher.

For best results, test KH and pH consistently and apply BuffMAX as directed to maintain KH above the recommended level. The preferred pH range for pond fish and plants is 6.5–8.5.

Technical Specifications

Application Rate

How to Use

  1. Test your pond’s KH and pH levels using a reliable test kit. Test at the same time each day — midday is recommended for accurate, consistent readings.
  2. Calculate your pond volume in gallons using the pond size calculation guide.
  3. Measure the correct BuffMAX dose based on your pond volume using the application rate chart.
  4. Dissolve the measured dose in a bucket of pond water before adding to the pond for even distribution.
  5. Add the dissolved solution to areas of active water flow — near waterfalls, pump returns, or aeration points.
  6. Apply once weekly for routine KH and pH maintenance.
  7. For ongoing pH instability: apply up to every 3 days at the standard rate until pH stabilizes and remains consistently in the safe range.
  8. Retest KH and pH regularly. Target KH above 8 dKH for healthy biological activity. Safe pH range for pond fish and plants is 6.5–8.5.

For Best Results

  • Test KH and pH at the same time each day for consistent readings — midday recommended
  • Maintain KH above 8 dKH for healthy biological activity and nitrification
  • Safe pH range for pond fish and plants: 6.5–8.5
  • For persistent pH issues: apply up to every 3 days until stabilized
  • Sudden pH changes can stress fish and trigger algae blooms — consistent use prevents this

Not sure what fits? Try Search or visit Support for setup guides.

Need parts? Check the Parts category for replacements that match your model.

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