A quick answer needed for a quick question - The Planted Tank Forum
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post #1 of 4 (permalink) Old 08-13-2018, 03:54 PM Thread Starter
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A quick answer needed for a quick question

Hey,

I've been looking at buffering substrates for potentially a nano shrimp tank but I will need to remineralize the water (looking at the nilocg gh booster) since the tap water is super soft. Will the substrate lower the gh and kh even when I remineralize it or will the substrate just wear out faster but keep the gh and kh? Thanks.
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post #2 of 4 (permalink) Old 08-14-2018, 06:49 AM
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Are you looking at caridinas such as Crystal Red Shrimp or Taiwan Bees, or neocaridinas like cherry shrimp, blue dreams, etc.?

For caridinas, you want buffering substrate with a low pH, and you'll want to use RO water with what we call remineralizer designed for shrimp, like SaltyShrimp GH+. Avoid adding any KH as your substrate will handle stability for you.

For neocaridinas, avoid budgeting substrates. They prefer a slightly alkaline pH (just above 7), and you will want a little KH to go with it. For this, Nilocg GH booster is fine, and most of the time, tap is totally fine for them as long as you've brought GH up to 7-8 or so. If your water is softer than that, add the GH booster.

For buffering substrates, ADA Amazonia is popular, as is Prodobio and SL Aqua. I'd avoid Fluval as the budgeting capacity is much lower than others meaning a substrate replacement sooner than you'll want.
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post #3 of 4 (permalink) Old 08-14-2018, 06:14 PM Thread Starter
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is it a bad idea to use a buffering substrate to grow plants and maybe some fish that need more acidic water?
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post #4 of 4 (permalink) Old 08-15-2018, 04:37 AM
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Quote:
Originally Posted by silvertiger3450 View Post
is it a bad idea to use a buffering substrate to grow plants and maybe some fish that need more acidic water?
It's actually a good thing most of the time. The fertilizer we use generally is most available to plants in slightly acidic conditions, and I believe a majority of the plants we keep would prefer acidic conditions as well.
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