This is the inside of a res I used for a grow using mega crop. My valves were caked in the stuff too. I mixed medium-high hard city tap water with RO water 50/50 for all the nute mixes. I'm surprised at how much residue I get.
This is the inside of a res I used for a grow using mega crop. My valves were caked in the stuff too. I mixed medium-high hard city tap water with RO water 50/50 for all the nute mixes. I'm surprised at how much residue I get.
View attachment 970748
Did you try that drip clean stuff?
This is the inside of a res I used for a grow using mega crop. My valves were caked in the stuff too. I mixed medium-high hard city tap water with RO water 50/50 for all the nute mixes. I'm surprised at how much residue I get.
View attachment 970748
View attachment 972387
Besides slight water line but my ppm is 1600 at that time