seachem matrix bio best ?
just came across their website and saw them stated
" BET surface area measurements indicate that Matrix™ contains nearly 10 times the specific surface area of Substrat Pro, and more than 20 times the specific surface area of MicroMec. "
and
"Matrix contains between 4 to 4.5 times the biologically active surface area of Substrat Pro, and between 8 to 9 times the biologically active surface area of MicroMec."
does that mean matrix have more bio surface area than substrat pro and micromec ?
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