Hey y'all, can you help me out? I've never had a problem with my testing readings since I started testing, so I'm not sure how to fix this. PH - 6.0 Ammonia - 2.0 Nitrite - 0 Nitrate - 0 I have 1 betta in a 5 gallon hex. Water temp 82. How do I fix the ammonia? Water change? Thanks for any advice.