BGK2 Posted February 6, 2018 Report Share Posted February 6, 2018 Hi All, I am thinking of getting some Honeycomb rocks to decorate my tank. Has anyone used these before? What effect does it have on the water? e.g. does it increase or decrease ph significantly? Is it safe to use? Also is Honeycomb rocks the same as Ohko Stone / Dragonstone? Thanks Quote Link to comment Share on other sites More sharing options...
Shilo Posted February 6, 2018 Report Share Posted February 6, 2018 Unfortunately "Honeycomb" is just a marketing brand like "Dragonstone" so tells you nothing. It all depends on what minerals its made off, the vast majority of any rock would be safe in the tank, the main exception is limestone. Limestone will increase your PH because it is so alkaline. If you can get a bit test it with some sort of acid, even strong vinegar will work. If it bubbles it will effect the PH levels. There are no minerals that I know off that are acid and will lower the PH (this is normally organics like wood, leaves etc). nays 1 Quote Link to comment Share on other sites More sharing options...
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