HydroRocks, So due to the lack of space in that room I used feed grade farm barrels that are like 1/4 "thick extremely hard plastic, usually dark gray and I painted it white, for the most part so It wouldn't get warm. Its actually one of my resavoirs. So I have 4 outside the room and one inside and what I do is fill the ones outside the room with Ro water and throw lids on them till needed. For instance filling the one inside the room I mix all my mutes in a res outside the room and then fill the one inside the room so my ppm and ph have minimal swing.. They arehave 55gallon barrels also.The system I run requires 190 gallons plus the extra ten to twenty for the custom rear manifold, with that being said if I do a system change out that takes quite a bit of water and with Ro it takes me 2 days to get enough...Like I said previously Im doing it a little different and Im liking it. My tip burn was from week 3 in veg and I know that from both written documentation as well as pic dates. I added a little to much a/b 1 week. Other than that they look amazing to me. Ill post some more pics this weekend, these girls just don't stop!!! Thanks for the interest!