1. Size of the tub depends on the number of plants per container,and the size you want to grow.I give 5 gal. growing room per plant,and grow to about 6-6.5feet tall.
2.The water should start out @the bottom of the pot or just bellow.The bubbles from the air pump will keep things wet until the...
I use a jewlers loupe with 30x magnification that I bought on ebay.It has a larger viewing window,and is easier to handle when your are looking at your plants.It is 30x-21mm.Hope this info helps .HAVE A GR8FUL DAY!!
Reverse osmosis water is lacking in certain elements that act as buffers to stabalize the ph of the water.I believe that calcium is the element.I add 1/4 strength cal mag to stabalize the ph and it seems to work