tank is yellow on ammonia and slightly has nitrates. (10000gal rain water tank) the noodles were fluro white when i put them in there like a lightish brown now and no only rinse in tank water when i do a water change(once a week usually but sometimes half way in week to depending one if anything is high, i can only do about 25% water change with the shrimp i tried a 50% one time alot died ( i always slow feed the water back in from a big jug i have through airline tube so they dont get a shock special last 2-3 months on winter in Australia.
there is nitrite around 0 - 0.25 (the colour is hard to tell sometimes), ph is around 6.6 6.8ish I only have the master test kit so i dont have the kh kit