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Also you can empty most of the water out, keep some in the bottom for the plant to uptake but leave most of the roots hanging in air and they will be fine. You can leave them with the air off all day like that. With most of the roots hanging in air they won't drown. I have a mother plant I...

Yup, fully submerged. I think quality went downhill lately. Like I said I have a couple that have ran virtually nonstop for close to a year. Retired them and got new pumps and they're dropping fast. The old one's I "retired" are the only ones still working and are currently being used in the...

Thanks, I'll look into them.

I was using Ecoplus 396 pumps for my RDWC and had no problem with them being ran continuously, but I switched to flood tables and they don't last being cycled on and off. I'm going through pumps like crazy now, they last at the most 3 weeks! Just had one only last 2 days and pulled my last...

Either run a sterile res or add beneficial bacteria. Either one should solve your problem.

A 3 gallon Smart pot should be plenty big enough to grow a big plant on a flood table. If I decided to use them I'd let them air prune and keep the root mass inside the pot since that's the whole point of using Smart Pots. If your going to put hydroton around the pots just use a regular pot or...

I'm using rapid rooters for the first time for a couple seedlings. They always seemed to be wither too wet (because they hold so much water) or too dry (because the air is very dry here causing rapid evaporation). So I put the rapid rooters in some mini-hempys and it's working great. Took a...

Or just put a tee in the fill line. You'd probably want to make sure the lines going from the tee to the tables are the same length though or it may not fill them evenly.

1000w dimmable, that way you have plenty of light for your space but can turn it down in case heat becomes an issue.

Bleach is cheap. I just fill a 5 gal. bucket halfway, pour some in (no measuring, but probably around 2 cups) and start scrubbing. For the lines you don't have to fill it, just put enough in the res to run back and forth a few times. Halfway should be plenty. Just be sure to rinse with tap water...

Lookin good man! But remember-SAFETY FIRST!!! If you haven't already, get that power strip off the floor(!!!), that's just asking for trouble. Also get the air pump above the water level of your buckets, they've been known to back siphon all the water out of the buckets onto the floor on...

With a 400w you don't have enough penetration to grow big plants without ending up with a shit-ton pf popcorn. Either take a bunch of clones and only veg them a few weeks (a month at the most if you top and train), or probably the best thing would be to throw a screen over those 3 and start...

Any decent synthetic nute will do. You don't have to take them out to let them dry, and when they get big it may even be impossible, but then again it won't hurt anything if you do. Just don't let the roots dry out too much and they'll be fine. Res changes once every week to 2 weeks is good, the...

Um, you guys realize this is a 3 year old thread right?

Adjust ph AFTER putting in your nutes and don't let it go over 6.0 or 6.1 (6.5 is ok for soil but your locking out nutes with that ph in hydro) Also, get a damn ppm pen ASAP!!!! Otherwise you don't know how your girls are eating and whether to top off with water or nutes!!

Wait, is this going to be an outdoor grow? If so scratch DWC altogether and definitely stick with soil, I couldn't imagine all the problems you'd have trying DWC outdoors. It'd be a nightmare!! Edit- Just seen you said barn or shed, I'd probably still lean toward sticking with soil. At least do...

The hot tub is overkill and you'd be wasting too much money on nutes, especially since it's your 1st dwc run and your likely to kill em anyway (or at least have a few close calls). If you want to go DWC get you a 5 gallon bucket and learn DWC, then after several runs if you still want to try the...

I think the longest I've gone without having to make an adjustment in flower is about 4 days. Usually every day or 2 in flower, rarely down, almost always up-even if the roots are pristine white. Veg seems to hold steady, I've gone res change to res change without adjustments on several...

I've got a cheap sunleaves that's doing me good. Not waterproof but dropped it in the drink twice and the 2nd time it stopped working (hurried and ordered a nice bluelab), but after a good dry I tried it again and it started working. Now I've got a nice $100 bluelab as a backup for when my $40...

I've been lazy and let mine get half empty before with no issues. Nutes where pretty dialed in though so I didn't have much ppm or ph fluctuation. It was rock steady so I left it alone and didn't top off. And like you said-the bubbles kept the top 1/2 moist. I usually leave an inch or 2 between...