I heard good things about green sensation ...you really need to be doing aside by side test and 2 clones from same mother..same pots .nutes ECT.just diffrent boosters to really see the diffrence they make ...i think they all work in there own right ..hope this helps...scarecrow77
You can grow as many plants as you want in that space with a 400 what ...you could put 12 one gallon if you wanted ..just to clear things up your in flower right...scarecrow77
There nice healthy plants mate ...those 2plants are sucking all the light from the others there quite a bit taller ....the best way out of it is leave those 2 tops fall as far as they can to the rest of of the plants and tye it off like I explained earlier .even if you have to rise the smaller...
Do you add the ppms of your tap water to your ppms of feeding ..if not you could be given them to much ...hydro can be a pain in the balls if things start sliding ..im just trying to solve your problem ..its buggin me..lol...scarcrow77
I grew great plants with them ...buy them you won't be dissapointed ...they leave off very very little heat you can hold the bulbs without getting burnt...i now use hps m/ h ..
If your going with cfls buy the 125watt6500k for veg and the 250watt 2700k for flowering ...there not bad bulbs at all...keep them about 5inches from the canopy...the 2bulbs with reflecters 200euros...
Good tip for hydro ..ph goes up ec goes down ..you need to feed more ....ph goes down ec goes up ...your feeding to much ...you ideally want them to be using equal amounts of food and water ...hope this helps..scarecrow77
Fix th bamboo to the outside of you pot with ducting tape ..leave the top bend towards the stick and fix top to stick with wire tye .it will begin to grow up to the light again it will be fine ...you really need to be putting the net in before you flower and leave all the branches reach the...
Just looking there again at your pic...if you using ro water you need cal-mag added to your rez..i might be wrong put it looks like calcium-mg deficency to me..where on the plant did it start to happen first..scarecrow77
If you think of it outdoor cannabis plants when its dark at night they release heat from fan leaves ..you think they would be catching those guys but you never hair it happening..scarecrow77
40x40x60...whats that about 1.5 feet x1.5 feet by 2 feet ..you probaly get an auto flower in each but they really are small ..make a ply wood box you be Better of you.l have more control .hope this helps ..scarecrow77