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I grow in soil and use this spreadsheet to figure out how to get an NPK ratio from multiple products like that. I think hydro users typically use the program "hydrobuddy" to do that with chemical compounds to reach "profiles?" But, for combining blended products just to get an NPK ratio, my mind...

Waste of money. You should post about it to the Indoor->LED forum. You'll have to run HPS-like watts (per square foot) with these inexpensive Amazon/eBay lights. You might as well just buy T5HO for shorter spaces, CMH for taller. You'll use less watts/sq ft and have a serviceable fixture that...

The PAR values stood out to me as distracting. I was looking for the coverage of a light (or, which light worked best in the OP's space). If I go to an Area-51 page I quickly see 20x20" is optimal in flower. When I visited a Tasty product page, I saw 5-6 different footprints (both square and...

I like Grow More Sea Grow because it's organic and synthetic. I feel I get the taste/smoothness of organic but the benefit of fast-acting synthetic. Basically some organic goodness without having to compost soil. I supplement with organic nutrients to create custom NPK ratios (my schedule and...

Why did you buy Name-Ripoff Platinum LED instead of HPS? Was it just sexy technology? Or, were you actually trying to solve a problem like electricity cost, heat management? If you have some priorities toward the latter, you might consider CMH instead of HPS. You'll run 35-40w/sq ft instead of...

I wonder if that could be a turn-off to the average Amazon/eBay purchaser. I think they just want to know how a light fills a space, it's footprint. If they have to start abstracting that into umoles (and other acronyms) they may wonder if they're joining the Masonic Lodge instead of buying a...

If all you can afford is epi-whatever lights like those found on Amazon/eBay (Mars Hydro, et. al.) you're better off buying HPS. If you could afford CMH, a LEC315 would fit your tent nicely at about 40w/sq ft. The problem with those epi-whatever LED lights is that you have to run HPS-like watts...

There was a recent thread where those didn't get positive sentiment. For example, they're not COBs are they? They seemed to fall into the "you can do better for the money" category.

The GrowAce and LightExports are just the typical epi-whatever (the eBay/Amazon lights you should avoid). The others may be ok. But, you can do a lot better for the money those cost. I would stick with what's recommended here. Area-51, Pacific, Tasty, Amare, Johnson, GrowGreenLED. It's a...

What was the ph of the liquid you poured in? If it was tap water at 7.8. then that runoff isn't bad. If it was nutrients at 5.8, I'd say there's a problem. If you want to check the ph of your soil, buy a Control Wizard Accurate 8 soil probe. Short of that, google for "NCSU Pour-Through Runoff...

I've never needed to do anything except feed mild nutes, maybe enough for 100% runoff. You don't need a lot of boutique bottles to grow cannabis.

There is no such thing as a "calmag def." I don't see ca nor mg def in your photos. Looks hungry to me. But, could be nutrient lockout from salt buildup. I always think of that at that stage of growth, and when the defs look mixed. If it's salt buildup, the 3x "calmag" dose will probably make...

The second row of photos look nute burnt to me. Not sure about the first row.

Yes, that's correct. You are: 1. Converting cu. ft of bagged material into gallons. 2. Getting a price per gallon (the price of the bag divided by the number of gallons in the bag.) 3. Then the price of filling a container (the price per gallon multiplied by the number of gallons of a container)

I have grown with my 600-800'ish PPM water. It didn't work well. Stunted, nute lockout, chlorotic. I've done RO water by itself, but had to use "calmag." Now I mix the two for a starting 150ppm. Works well. Sorry I ruffled your feathers.

I didn't see a question. I saw a statement that he was going to try two things. I think that's admirable. I just wish he would have returned with followup results to help others. (But, even then, it probably depends on what constitutes the 600ppms in his water.). FWIW: Like intenseneal, I mix...

It's probably a good veg light. But, anything will veg cannabis. I just hate to see Platinum be rewarded for confusing the marketplace, selling counterfeit AdvancedLED lights. It takes a perverse mind to believe you can blatantly ripoff a reputable company's name and reputation -- and the...

You could have attached it as an attachment. That would be helpful to others. (You probably have to zip it. The attachment feature may only allow .zip files.). If you created that in Google Sheets, people like @hondagrower420 could use it from smartphones. Just recreate the spreadsheet, then...

See footnote #1 in the article linked in my sig. That sounds like a really interesting no-cook, water-only soil. I'd like to try it. It sounds like it's simple to make without composting.