How to Balance pH for Moneywort (Bacopa monnieri)

Maintaining the optimal pH level is crucial for the health and growth of Moneywort (Bacopa monnieri), a popular aquatic plant. This comprehensive guide will provide you with the necessary steps and home remedies to balance the pH for your Moneywort plants.

Determining the Current pH Level

The first step in balancing the pH for Moneywort is to test the current pH level of your aquarium water. You can use a reliable pH test kit to measure the pH. Moneywort thrives in a slightly acidic to neutral pH range of 6.6 to 7.6.

Lowering the pH

moneywortImage source: Pixabay

If the pH level in your aquarium is above 7.6, you’ll need to take steps to lower it. Here are some effective methods:

Adding Peat Moss

Peat moss is a natural and effective way to lower the pH in your aquarium. You can add peat moss directly to the substrate or place it in a filter bag. The tannins released by the peat moss will help to acidify the water, bringing the pH down to the desired range.

Quantity and Application:
– Use 1-2 cups of peat moss per 10 gallons of aquarium water.
– Place the peat moss in a filter bag or directly in the substrate.
– Monitor the pH level and adjust the amount of peat moss as needed.

Using Driftwood

Driftwood is another natural way to lower the pH in your aquarium. When you boil and soak the driftwood, it releases tannins that will help to acidify the water.

Quantity and Application:
– Boil the driftwood for 30-60 minutes to release the tannins.
– Place the driftwood in the aquarium and allow it to soak for several days.
– Monitor the pH level and adjust the amount of driftwood as needed.

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Adjusting Water Changes

Performing regular water changes with slightly acidic water can also help to lower the pH in your aquarium. You can use reverse osmosis (RO) water or mix your aquarium water with distilled water to achieve the desired pH level.

Quantity and Application:
– Perform 25-50% water changes every 1-2 weeks.
– Use RO water or a mix of aquarium water and distilled water to maintain the desired pH range.
– Monitor the pH level and adjust the water change schedule as needed.

Maintaining the Optimal pH

Once you’ve lowered the pH to the desired range, it’s important to maintain it. Here are some tips:

Monitoring the pH Regularly

  • Test the pH level in your aquarium at least once a week.
  • Adjust the amount of peat moss, driftwood, or water changes as needed to maintain the optimal pH range.

Providing Proper Lighting

  • Moneywort requires moderate to high lighting to thrive.
  • Ensure your aquarium has the appropriate lighting to support the plant’s growth and help maintain the pH balance.

Maintaining Stable Water Parameters

  • In addition to pH, keep other water parameters, such as temperature and water hardness, within the recommended ranges for Moneywort.
  • Sudden changes in water parameters can disrupt the pH balance and stress the plants.


moneywort 2Image source: Pixabay

Balancing the pH for Moneywort (Bacopa monnieri) is essential for the plant’s health and growth. By following the steps outlined in this guide, you can effectively lower the pH in your aquarium using peat moss, driftwood, and water changes. Remember to monitor the pH level regularly and adjust your methods as needed to maintain the optimal range of 6.6 to 7.6. With the right pH balance, your Moneywort will thrive and add beauty to your aquatic ecosystem.

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–, “Moneywort (Bacopa monnieri) Ultimate Plant Care Guide”
– Aquatic Arts, “Moneywort (Bacopa monnieri), Bunched”
– Reddit, “My water is quite alkaline, any tips on dropping pH?”
– YouTube, “Moneywort Tank Care & Propagation”
– The Planted Tank Forum, “Struggling with Moneywort”