kellymm Posted March 10, 2015 Report Share Posted March 10, 2015 I just got a tds meter and Im experiencing very high tds in my tank 424 ppm . I have been using tap water that is around 136 . I want to lower my tank to around 150 -200 . Quote Link to comment Share on other sites More sharing options...
OMG Aquatics Posted March 10, 2015 Report Share Posted March 10, 2015 Get RO/DI system/water. Quote Link to comment Share on other sites More sharing options...
Roborep1 Posted March 10, 2015 Report Share Posted March 10, 2015 Water changes. Ideally I would use RO or distilled water. To cut it down, but mind your PH with distilled or RO. In this case if you replaced 2/3 of your water with distilled you would land at 120ish ppm. You also need to top off with RO or distilled other wise your putting more minerals into the water with each top off. Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
metageologist Posted March 11, 2015 Report Share Posted March 11, 2015 Do you have any calibration solution to verify your tanks TDS. Would would need to just top off with a tap water of 136 to get to 423. I personally only top off my tanks with tap water with has a ppm of 150ish and after 6 months I'm only at 170ppm have a gneiss day Quote Link to comment Share on other sites More sharing options...
Desert Shrimp Depot Posted March 17, 2015 Report Share Posted March 17, 2015 If you fertilize with EI method you'll see huge jump in TDS. Quote Link to comment Share on other sites More sharing options...
Lyana Posted March 18, 2015 Report Share Posted March 18, 2015 Yeah, I use EI dosing on one tank, TDS goes from 83 to 280 Quote Link to comment Share on other sites More sharing options...
chibikaie Posted March 23, 2015 Report Share Posted March 23, 2015 I hit 650 today. Whoops! (Technically, I may need to recalibrate, but normally my fertilized tanks sit around 450 - and I do not dose full EI, but very conservative PPS.) Quote Link to comment Share on other sites More sharing options...
nicpapa Posted March 23, 2015 Report Share Posted March 23, 2015 what substrate are you using? DId you have rocks in the tank? I dont think is from estimate index. When i change water i have 80-90 ppm tds, and after a week before the water change i measure 150 tds... Quote Link to comment Share on other sites More sharing options...
chibikaie Posted March 23, 2015 Report Share Posted March 23, 2015 It gets so high because I use potassium sulfate instead of potassium nitrate - it's the excess sulfate. Also the starting TDS of the tap water is 150. I'm aware that frightens some people! Soothing Shrimp 1 Quote Link to comment Share on other sites More sharing options...
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