He says his phosphate levels are way higher than that. .7>.15 by a good margin.I agree with nitrates and phosphates not being an issue, I find the best growth once I let my phosphates climb to the .11-.15 range. I keep a frag rack on the back wall that’s 220 Par. After dipping and placing on new plugs I put them there for a few days and make sure all is well then they go right to there permanent home.