[Bernd Bussler]

Welcome Gianne
I breed for over 20 years Paros and only use rainwater, live in a big city and still very close to an airport. I think so that my rainwater carries pollutants, but in nature it is safe too. Where our Paros cars and laundry in the streams and rivers are washed come, it’ll make you more worry. Important is sure the temperature of temperature depends on the egg development. At 25 or 27 ° C, the eggs develop in 2 to 3 days, it is cooler, it may take up to 5 or 6 days. Since the water is contaminated with germs have the germs without harming the eggs at cooler temperatures more time. Germs in the water can not be avoided, but by frequent water changes, with me once a week 50%, germs can be minimized. I caught Parosphromenus in Malaysia / Selangor at 30 ° C in fast running water. For Paros I have on average 26 ° C with me, that seems to be a temperature at which almost all Paros feel comfortable, it is also at 22 ° C, just try it.
True, I have in the biotope of harvey also coccina caught, but not to the creek right but in small remaining pools of water with large quantities of vegetation and wood, we had so to say dig