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post #11 of (permalink) Old 06-03-2017, 01:26 AM
GrampsGrunge
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If I may interject a few observations. It's been noted that in a Caridinia shrimp tank, at least Crystal, Bee, TB and certain Tiger/TB breeds that you only use RO water with a Caridinia shrimp safe remineralizer. You can in a pinch use Seachems Equalibrium, but it adds some KH. I think NicLog's GH booster is considered better because it' doesn't add any KH.

Now most of these GH boosters are made with sulfates, which tend towards slightly acid buffering when mixed in the quantities used for Crystal shrimps and such. The "buffering soil' is a bit of a misnomer, they actively retain KH Ions which keep already pH neutral water water neutral while they also add certain organic acid compounds like Fluvins and tannins and such. Using RO and buffering soil is a bit of a waste as the KH buffering available in the soil isn't going to make the RO water have any less KH than it already has, which is zip.

As such RO water tends to stay acid with buffering soil although it can be affected to big pH swings if you accidentally add something like limestone or other KH additive by mistake. This is the same reason why it's not a great idea to run your shrimp tank as a planted tank with CO2 injection as you may bounce the pH daily if the CO2 is on a solenoid controlled by a timer. Low light with a few mosses and other low tech plants, and low nutrients is the best set-up, you are less likely to change the tank's water chemistry in a big way.

Starting small, keeping it simple..(?)
250 gallon stock tank, "pond"
20 gallon H CBS Shrimp tank

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