I use 2gal smart pots (I probably should go up a size but can't due to grow space constraints) and recently got a couple handheld pump sprayers. So for example, a 5 gallon pot, run about 2.5 gallons of regular water at them. These particular pots are made with canvas to help your marijuana plants’ roots breathe. As far as "flushing". Run about half the pots volume of water through them. Smart Pots are available at your local grow store, hydro shop, organic garden store and Garden Centers. Tip #1 – Use Smart Pots. You get the drift. Smart Pots are a prevalent option amongst indoor growers. CONVENIENT: Drain Smart container-drainer discs are the cleaner, lightweight way to drain your potted plants. I use a condensate pump in my coco drain to waste set up. He has some that fit 4 pots and some that only fit one. Bit of a pain to use in my tiny tent, but I don't get water running out the sides anymore and overall it's easier (water doesn't pool in any one spot/compact the soil too much). When run off level comes up pump cycles automatically. "I developed a way to use milk crates to install rooftop gardens around the city, using their Smart Pot fabric as liners, and it works great!" It’s worth noting, though, that air pots tend to be tall and narrow compared to smart pots, which are often wider. use net pots or something that's like a waste IMO smart pots are for soil. Smart Pot is the top brand chosen by professional plant growers for over 20 years. My plants (5 gallon smart pots) sit on plastic milk crates which sit in a box with a water proof liner, I cut holes in the bottom of condensate pump and put it below milk crates on liner. I don't do a full blown flush where you run 3x the pot volume of water through them, but I do what I call a "rinse and reset". 15 gallon smart pots each in their own saucer. Makes is a lot easier for watering and allows air flow to the bottom of the pots. Smart Pot is the leading fabric container for faster producing, healthier plants. I keep my fabric pots above the drain pans. Similar to smart pots, air pots are designed for increased air flow, and therefore bring many of the same advantages and disadvantages as fabric containers. Also I try not to get above 3-4 gallon containers and these seem the best for that as the roots should grow in a more healthier manor and less likely to bind. A friEnt uses 2x2's to make frames that he staples 1/4inch wire mesh to and sets the smart pots on those. No more messy bark, gravel or packing peanuts. He also attached rope handles to one recently to make moving easier seems to work just fine. To run a large volume of water through each pot requires a shop vac or a drain table. U can take a 2 gallon pot and drill holes in it and it will be the same, smart pots are great for outdoors. Growing hydroponically without a way to get proper run off and drainage is difficult. Three gallon pot, 1.5 gallons. Removing excess salts from the media is … Next up are air pots, which are plastic plant pots with holes in the sides. Upgrade the pot each time your plant outgrows it. why smart pots? Trellised into a screen of green. They also enable water to drain and ensure heat escapes. I think if you use the smart pot design to train the roots the same way that a smart pot would, there would be barely any difference. NEW & IMPROVED: Updated discs keeps expensive potting soil where it belongs, in the pots. -Zach Pickens, Rooftop Ready, NYC "My Smart Pots are three years old and look like they are showing little wear – they’re certainly very high quality and durable, I like that."