WATER QUESTION

hi, i have been growing for a couple weeks. up and till now, i had all this rain water which kept pouring, and i kept saving it, however i am running out, what kind of water should i use. i dont have a ph tester thingy and i aint gonna be getting one any day soon, so please tell me how i should prepare to water meh plants, thanks alot.

well all i can really tellyou to do is go somewhere n buy some of the water in a jug like spring water er sometin or distilled water...best i can think of