1. Depend on the plant, some foreground plant benefit from designer soil. Nutrient does not cause algae bloom except for ammonia. Algae need nwgligible amount of nutrient to grow. Limit nutrient will only effect plant. What soil are you talking about? do not add gravel on top of designer soilwill make thing worat.
2. Depend on the plant but honestly led is new thing, cant really answer your guestion.
3. Depend on your light. Higher like will require you to add more thing, evenyhough your plants suppose to be able to survive low tech environtment.
Bookmarks