Help! Ive been cycling for 4 weeks now and ive had my nitrite spike, but ive stalled!! Ive done 3 50% water changes within a week and a half and a 25% and parameters are still the same, ammonia 0-.25, nitrites 4-5 nitrates 5-10, what am i doing wrong?? I do have fish, because my friend is moving tomorrow and cant take his tank and i expected my tank to be cycled by now, i have one small angel, 2 odessa barbs, one cherry barb, 2 head and tail light tetras, and 3 julii corys, and some baby plants, christmas moss, queen sword?? something along those lines and a val. Im so frustrated! Its 30 gal with a penguin 170 running, temp is 79.