Do you really need these special bags of substrate for a saltwater tank?
Do you need special substrate for saltwater?
- Juloy39796
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We cover this in the saltwater getting started guide, but there are some which are dependent on what your water source is and the pH and hardness levels - since that will mean you need a buffer or a way to reduce such levels (mostly done vis substrate or RO water).
It’s not required, but some are really helpful.