1) diatomaceous earth, It sounds scary at first but no damping off is nearly impossible and gorgeous white roots. bottom water or top water gently.
2) rock wool. EVERYTHING sprouts so easily. Plus if you want to transplant into cups as they grow up it's easy to transplant. Bottom water
Both are "hydroponic" which means water soluble fertilizer is used. Try it out on a few plants and see if you like it.
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