I don't recommend flushing at all..starving the plant for nutrients isn't good esp at the very end when it's time to pack on weight and vocs aka secondary metabolites aka terps...I use potassium sulfate by cropsalt it's called cake the last 14 days of bloom and the last week I start lowering the...
The power si for w e u need I believe the original one is wat most ppl use but for rdwc if u want to scrog ur gna need silica if not the branches will just snap not bend .and ya Athena cleanse is a must have for rdwc and u use it like 2x a week..and bennies is beneficial bacteria btw which going...
Crop salt like I said before is gna be ur best bet and most bang for ur buck more or less and have full control I'd also highly recommend u run silica of some type either like power si or u could do organic silica even too in dry forum but most def need to run it and to clean and sterilize u...
Ya like I said to use crop salt it's cheap and does wonders and have full control over your plants at any time..and every crop is diff as in what it likes and wants.. 2part nutes is just fine but 3parts allows you to fully dial it in to any crop u have and super easy to do either get a emulsion...
ya mine was like 4in from the water fan height and only had like 12-14in of water depth too...and yeah using a wort coil or w e u would like to call it is absolutely thee only way to chill a res or system as u could even do the top off and the rdwc system for chilling from one chiller....
. So...
Ya I got mine to drop 3-4f I believe it was for the fans I used also depends on ambient air temp too and the res shape as I had one that was like 17in tall and it worked for me but also like I said it also depends on where u live etc not everyone can get by doing it like that it's only good if u...
I don't have any pics other than what's already on here as there's pry more on here than I have now lol....I used AC infinity usb pc fans cut the hole or holes for the fans and have a exhaust hole on the opposite side of the lid and viola...have the fans point down towards the water like I said...
Well u need to be in a basement along w res on the outside and u run PC fans blowing into the res for the chiller more or less..I insolated the buckets as well and no air pump either that adds additional heat to the system too and is not needed