R-Dog Posted April 17, 2016 Report Share Posted April 17, 2016 I just checked my TDS and it is currently at 270 I just did a small water change with RO water measuring 140 TDS should I do a water change with just RO water to bring it down to recommended levels do I still remineralize? I currently have 30-40 red cherry/Rili shrimps they are breeding great so far in a 10 gallon with a double sponge filter and a lowkeys abosorbtoion boards. Thanks in advance Quote Link to comment Share on other sites More sharing options...
Bryce Posted April 17, 2016 Report Share Posted April 17, 2016 Check your Gh and kh first. Don't go off Tds only. Whatever numbers you use will determine whether to use straight ro or to add reminerlzed water. I just had a similar situation I had to do a almost 50% wc of strait ro to get my numbers . I use a gh of 6 and kh of 3 tds of 140. Quote Link to comment Share on other sites More sharing options...
R-Dog Posted April 18, 2016 Author Report Share Posted April 18, 2016 9 hours ago, Bryce said: Check your Gh and kh first. Don't go off Tds only. Whatever numbers you use will determine whether to use straight ro or to add reminerlzed water. I just had a similar situation I had to do a almost 50% wc of strait ro to get my numbers . I use a gh of 6 and kh of 3 tds of 140. Thanks for the advice Bryce is it safe to do 50% wc? Quote Link to comment Share on other sites More sharing options...
Bryce Posted April 18, 2016 Report Share Posted April 18, 2016 It depends on how high your gh and kh are. Just because your tds is 270 that number is meaningless without knowing what your gh and kh is. What's your gh and kh? Quote Link to comment Share on other sites More sharing options...
DETAquarium Posted April 19, 2016 Report Share Posted April 19, 2016 When I perform water changes to reduce TDS, I don't remineralize. Simply add pure RODI water slowly. Soothing Shrimp 1 Quote Link to comment Share on other sites More sharing options...
chad590 Posted April 21, 2016 Report Share Posted April 21, 2016 On 4/19/2016 at 8:39 AM, DETAquarium said: When I perform water changes to reduce TDS, I don't remineralize. Simply add pure RODI water slowly. ^^^^^^^^^^^^^^^^^^^^ Quote Link to comment Share on other sites More sharing options...
junglefowl Posted April 21, 2016 Report Share Posted April 21, 2016 Not neccessary to do another water change since you just did one. It can stress the shrimps out, and they are happy breeding anyway. Check your GH/KH as mentioned if needed. I would wait for another week or 2 to do another water change. Quote Link to comment Share on other sites More sharing options...
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