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Hello I am curious and want to get into LEDs but Im still confused on the subject. My understanding is, 1 600w HPS = 2 panels that are rated as "600w" but are really 300watts each. If I get two "600watt" rated(actually 300 watts) LED panels, am I getting more light than using a single 600w...

Hello I usually brew my teas without an airstone but decided to give this a try. Does anyone know of a pump that's has adjustable output? f they're not adjustable but have various power ranges(models)I would like to be able to brew for only one gallon if I wanted to or up to 20-30 gallons in...

I am trying to find cheaper sources of silica, can i use food grade diatomaceous earth in my teas? The chemical composition of d.e. is 90% silica and is amorphus, not cyrstalline. The d.e. I am interested in is in powdered form.