Billfromtx Posted January 10, 2021 Share Posted January 10, 2021 (edited) Good Morning all. I am having an issue with Columnaris and have read that GH plays a major role in Columnaris. I have hard water ( well ) and the API 5 in 1 test shows im at the high end, 180ppm. It might be higher as it is pretty hard water. Has anyone had issues with Columnaris that uses hard water? I'm not able to get medication so I'm hoping by adjusting temp and dosing with salt I can buy time till I can get medication delivered or purchased from Petsmart, my LFS's suck. Tank specs below. 30 gal long running a Tidal 55 with two sponge filters (1 at each end, tidal in the middle). Temp is at 79F, working to lower to 75F in increments. Ammonia: 0 PH: 7.5 to 8.0 KH: between 120 and 160 GH: 180 Nitrate: between 0 and 20 Nitrite: 0 Edited January 10, 2021 by Billfromtx Link to comment Share on other sites More sharing options...
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