I have seen a few suggestions online about weekly feeding, but very few. Here is the one I have mostly been using: WEEKLY FEEDING SCHEDULE: (ml per U.S. Gallon) Week 1 (rooted clones or 3 leaf-sets on seedlings) : 2.5 ml EACH Grow, Micro & Bloom Week 2: 5ml Grow + 2.5ml Micro + 2.5ml Bloom Week 3: 10ml Grow + 5ml Micro + 3ml Bloom Week 4 until 12/12 : 12ml Grow + 6ml Micro + 3ml Bloom Week 1 of 12/12 : 6ml Grow + 6mil Micro+10ml Bloom Week 2 of 12/12: 3ml Grow + 7ml Miccro + 12ml Bloom Week 3: 3ml Grow + 8ml Micro + 14ml Bloom Week 4: 3ml Grow + 8ml Micro + 16ml Bloom Week 5: 2..5 Grow + 7ml Micro + 18ml Bloom Week 6: NO GROW + 6ml Micro + 20ml Bloom USE UNTIL FLUSH! Flush 10-14 days before harvesting After limited success experimenting with Lucas Formula, I switched back to this feeding schedule again. But, recently I was looking for alternate suggestions and found only one: Week 1 - PPM: 0 Week 2 - PPM: 0-300 Week 3 - PPM: 3-500 Week 4 - PPM: 5-700 Week 5 - PPM: 7-900 Week 6 - PPM: 9-1000 SWITCH TO 12/12 LIGHTING AND BLOOM NUTES (this is just an example you don't have to switch to 12/12 now) Week 7 - PPM: 3-400 (note the drop after switching nutrients) Week 8 - PPM: 4-500 Week 9 - PPM: 5-600 Week 10 - PPM: 6-700 Week 11 - PPM: 7-800 Week 12 - PPM: 8-900 Week 13 - PPM: 9-1000 Week 14 - PPM: 10-1100 These two schedules are radically different, as is Lucas from the other two. So this got me thinking. What do my fellow hydro growers shoot for PPM-wise, week to week through veg and flower? Thanks, -Waterfarmer
really it depends on the strain and the water i never stick to one strain i should tho.., i always try to grow different ones however.. if i was using r/o water For my current grow im sticking to something about like this Week 1 - PPM: Pure R/o water only Week 2 - PPM: 0-300 Week 3 - PPM: 300-500 Induced 12/12 @ 15 inches Week 4 - PPM: 500-700 Week 5 - PPM: 700-900 Week 6 - PPM: 900-1100 Week 7 - PPM: 1100-1200 Week 8 - PPM: 1200-1300 Week 9 - PPM: 1300-1500 Week10- PPM: Pure R/o water only different strokes, for different folks
I don't know. I just found that feeding schedule online as a suggested feeding schedule. The drop doesn't make much sense to me either.