The LFS nearby told me this, he say its ok to use this quartz gravel for short term(6 mths), but in the long run it restricts the growth and harm the roots due to sharp edges, not suitable for plants like glosso as it has thin roots.
1)If I would like to use those benefical soil (i.e ada, sea chem) should i mixed both my quartz and soil together or place soil at the bottom layer and use my quartz on the top layer?
2) There are so many variety of benefical gravel in LFS, why some other brands are so cheap and why ada and sea chem are so expensive? All are aqaurium soil. Seeking for cheaper alternatives, any cheap brands to recommend?
Tnkz.
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