kikorangi lily Posted January 13, 2006 Report Share Posted January 13, 2006 Good morning everyone I am having a bit of a problem with my pond. The Ph level keeps going up. I reduce it and the next day it is high again. What is the safe Ph for goldfish? :-? Has anyone ideas why the Ph keeps going high? HELP PLEASE!!! Quote Link to comment Share on other sites More sharing options...
Alan Posted January 13, 2006 Report Share Posted January 13, 2006 What is your pond constructed from, and how long have you had it?? Alan 104 Quote Link to comment Share on other sites More sharing options...
Caryl Posted January 13, 2006 Report Share Posted January 13, 2006 The fish won't mind the pH going up but they will have trouble with it going up and down as you try and correct it without knowing the cause. Goldfish are pretty relaxed about pH and I have had them in a pH of over 8.0 with no ill effects whatsoever. This isn't a new pond made of concrete by any chance? Quote Link to comment Share on other sites More sharing options...
kikorangi lily Posted January 14, 2006 Author Report Share Posted January 14, 2006 The pond is an old para swimming pool that we didnt use and was doing nothing so I decided that I wanted it converted into a pond . So 2 yrs ago my son cut the pool in half so it is about 900 deep and 3.63x 7.27 about 23750 L or 5231 gal. I think. We have recently concrete the waterfall and thats when I noticed the PH going up so I have painted the concrete with pond paint as I read that may cause the PH to rise. Did that 2 weeks ago have put in chemicals to reduce PH okay for a day back high again. But algae is also a problem. But I love sitting outside next to my pond watching all the fish and listen to the water running done the waterfall and out of the fountain. Quote Link to comment Share on other sites More sharing options...
Ira Posted January 14, 2006 Report Share Posted January 14, 2006 Definitely the concrete waterfall doing it. You probably haven't gotten all the spots the water contacts the concrete covered with pond paint, I think. Quote Link to comment Share on other sites More sharing options...
Caryl Posted January 14, 2006 Report Share Posted January 14, 2006 Yep the concrete will do it. What does the pH go up to? Quote Link to comment Share on other sites More sharing options...
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