[sick_greg]

nutrient buildup on the walls of the rez, because you can't scrub it

funny that you mention that... i'm currently cleaning the system and setting up for next crop. One of the tasks i just completed was scrubbing that exact tub of all the salt buildup from the last 2 grows. The last time i did that was 2 pounds & about 20 weeks ago. Call me lazy but i havn't checked pH or tds or regularly cleaned this system for about a year or something... and harvests are pretty dam good for 2x3 i reckon.

It's like my cloning... I don't sterilize anything or fuck around i just grab whatever and snip off a branch, rip a layer or 2 of skin off the bottom and stick it in bubbling water for a couple of weeks or a month. Live and learn, and sometimes ya realize you don't have to try as hard as you might think.

Or algae, what would you do if something like that happened? Or is there not much you can do?

If the water and roots are ever looking shit i just dump the tank and flush with water a couple of times, hasn't been a problem. Maybe it's the fact that it doesn't get hot at all down at tub level or maybe i was just lucky enough to get an invincible clone a few years back lol