so i have a 75 gal and for now until i get my ro unit i've been just using tap water in the tank. well my gh and kh are like at 14d. Not to mention its hoorible for my plants but will it affect the 4 baby rb's at all? I have peat in my filter and i've tried water softner pillows but they only work like two times and then they're shot. Any other ideas on how to soften the water?