Oreganoodle Posted May 23, 2022 Share Posted May 23, 2022 The ammonia and nitrates in my tap water lead to water changes needing to be more frequent than I'd like, so I've started using RO and adding Seachem's equillibrium for gh + crushed coral for kh/ph. The KH was right around 3 and ph 7.4 - 7.6 ish. I was hoping to get the KH just a little higher - so I also doubled the amount of crushed coral in the tank (roughly 2 pounds in the tank + 4 tbsp or so in the filter). It is a 34 gallon tank - so I know I am using less crushed coral than is recommended - but I wanted to move slowly. Doubling the crushed coral had the effect of raising the ph to 8, but has not impacted the kh -- in fact the kh is now 2 (After about 3 weeks and average 10% water change/week). I'm afraid that adding more crushed coral will bring my ph above 8 -- which I don't think my platty's will love. Previous to double the crushed coral, I tried a wonder shell - but that primarily raised my GH or so it was seeming. Does anyone have any experience with Seachem's Alkaline buffer? Other thoughts on raising kh? Link to comment Share on other sites More sharing options...
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