what size plants do you grow in these buckets? and what kind of yield do you get? right know im getting 2 ta 2.5 oz per plant about 3 ft ta 3 1/2 ft tall in 5 gallon nusry pots. is this possible in 2.5 gallon bucketsi went to the local hardware store and got 2.5 gal buckets,they work great for my hempys.