HI everyone.
I am preparing for the arrival of some Adelphobates galactonotus tadpoles and part of that is getting the tadpole tea going and all containers set up. I mixed 1 gallon of distilled water with 1 tsp of Tetra blackwater extract per instructions from a dart frog breeding page. I then poured this into the containers I will be using. To that I added pieces of Indian almond leaves. They are sitting in a "waterbath" with a temperature of 79 degrees. I did not cover the individual containers, nor have I covered the bigger water bath container. Everything has been together for about 5 days. Today when I look to see that the temps are still stable, I notice what looks to be like white mold growing in the water I thought that the blackwater extract and almond leaves would stop mold or help prevent it? I do not want to have water that is going to kill these tadpoles. What am I possibly doing wrong? I have about a week or maybe 10 days until the tads arrive so can start over, but want this going before they arrive so there are no issues. I have photos, one is without the flash to show the coloring of the water. The other is with flash and you can see the white mold? on the water. I actually started cleaning it out with the turkey baster before I thought to take a photo. There was more in there. Lastly is a photo showing the water bath setup with heater in the water to keep temp stable. The water comes about 1/3 the way up the tadpole containers. Any help would be appreciated. Thank you!

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