rdflash0788 Posted April 10, 2022 Share Posted April 10, 2022 If this is not the correct place for this post let me know and I'll be glad to move it to its rightful home. 🙂 So, I have a newly set up 75 gallon freshwater tank with real plants and small river gravel for substrate. The tank appears to be cycling still, but it is hard to tell as I've not seen a spike in ammonia, nitrite or nitrate yet. (possibly due to live plants and Quick Start??) Anyway, I have 1 Angel, 2 Dwarf Gourami's, 2 Julii Cory's, 3 Cardinal Tetra's and 6 Pearl Danios. I had more Cory's and Cardinals but lost a few soon after adding them to the tank. 😞 I am on well water and used that previously (10'ish years ago) so I knew going in that it would be high in PH. I had African Cichlids previously and they didn't mind in the least. These guys though, they seem a little more picky so ideally I'd like to get the PH down at least a little as it is sitting around 8.4 or there about. I have tried a few things but am a little wary of PH "rebound" and honestly, so far at least, I have not had any luck getting the PH lower. I tried PH down from API (not expired) that didn't budge the levels and then bought some Peat Moss pellets from Fluval to see if that would help but it also didn't move the needle any. This got me wondering if something in the tank was affecting the PH and increasing it or keeping it high. The water that is straight from my tap is about 7.4 - 7.6, then when I add it to the tank and check the PH next day, it is up to around 8.4 to 8.6. Tried a little experiment and added some gravel from the tank to a clean mason jar with tap water (verified the PH reading from the tap at closer to 7 this time), Checked after a few hours and low and behold it was up to around 8.4 to 8.6 so I think I have found the culprit. Even though it was river gravel from a reputable vendor it must have some shells or something in it that is driving the PH maybe. Now to figure out how to fix it. I'd like to just go ahead and swap it out with another substrate but am dreading the "tear down", swap the substrate and then reassemble it all and hope to not lose any more fishes. Any tips on performing this feat? I know I've seen some vids on Youtube but wasn't sure if any here has tried it. Also, I was thinking about using Fluval Stratum in some biobags as a "base" and then covering with actual sand. I think I saw this on MD Fish Tanks channel but maybe it was KG Tropical. Anyone tried that method? It seems like it'd be good for the plants without the need for root tabs but leave me with something that isn't as "blah" as the Fluval Stratum. Mainly because my older eyes don't like the dark effect it gives . Will the sand possibly have the same effect on PH as the gravel? Any help or tips from the more experience than me would be greatly appreciated! 🙂 Link to comment Share on other sites More sharing options...
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