Question

you can measure the ph and temperature of your ecocolumn. what else can you measure in your ecocolumn?

Explanation:

In an ecocolumn, which is a self - contained ecosystem, besides pH and temperature, sunlight intensity and dissolved oxygen levels are important factors to measure. Sunlight is crucial for photosynthesis by plants in the ecocolumn, and dissolved oxygen is necessary for the respiration of aquatic organisms.

Answer:

Sunlight, Dissolved oxygen