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Or, is this just sort of a holdover from the MH/HPS switch? >In our experience, the 13.4% blue light from CMH lamps would be adequate to grow all species without adding supplemental blue light (see spectral output graphs and summary table). This is what Utah State had to say about the 3100K...

I've got a Hanna combo meter, and I can't seem to pH RO, or the light feeding some recommend. I can get the pH down to 5.9, but within five to ten minutes it'll be back up at 6.3, without fail. I could probably dump an entire bottle of pH down and still be above 6 within a few minutes, what the...

Hydro Growers: 1. Are you growing from seed or clones? Clone. 2. How old are your plants? Week 6 of flower. 3. How tall are your plants? 2.5 feet. 4. What type of hydro system are you using? Coco, one gallon fabric pots, usually with Blumats, but hand watering this time around. 5. What...

Ever since I switched from MBFerts Early Bloom to Late Bloom, the pH of my reservoir has been falling by at least 0.5 (i.e 5.8 to 5.3) over night. This is not a recirculating reservoir, it's blumat drip system, what on earth could be causing this? I'm like a couple days away from feeding the...

11x13 room, four lights, 1ft walkways around trays, oscillating wall fans centered on three sides, Quest 155 hung in the center, and an ultrasonic humidifier. I have noticed wet spots under the fan with a large amount of salt crystals in it. Plants which previously hung under the fan had burn...

I just tossed a few mothers I've had going in Solo cups for at least two years, without root pruning, and they never had any problems; in fact, it would seem the benefits of root pruning, whether manual or via pot material/design, are easily explained by transport time and efficiency; that is...

What's up with this? They claim they were able to isolate florigen, which is garbage, but there seems to be some evidence that it's just a rebranded Imuno 1&2 (formerly Foliar A&B)? There are ads which retain the copy used for the previous iterations, among other things, and while there were two...

Everything I mixed today: 20gal RO 10ml/gal Canna Coco A+B 1.87ml/gal MBFerts Vitamines and Hormones 0.4ml/gal Drip Clean (probably redundant with Carefree) 0.3ml/gal Dip-n-grow (V&H should have replaced this) 0.15ml/gal Carefree Pond and Fountain 0.5g/gal AgSil 16H 0.25g/gal hydrolyzed whey...

I switched to Blumats last cycle and it's become clear that Bloombastic has got to go, it falls out of suspension, clogs things, etc. so I'm on the hunt for an alternative. MBFerts Bloom, as well as their Vitamine-Hormone look appealing, anyone have any experience? Additionally, they've got a...

I've had a Hanna combo meter for about five years, but I'm coming up on needing to replace the pH electrode again, and I think it's time to upgrade; figured I could run my thoughts by you guys, and maybe get some suggestions. :D 1. The HALO® Wireless Soil pH Meter should work just fine in...

My runoff seems pegged at pH 5.2, I've been flushing with 10ml/gal Canna A+B and 10ml/gal Calimagic at 6.0 as suggested by Jack in another thread, and the plants look a little better, but the pH hasn't changed at all. Perhaps they simply need more flushing, but it's been a little more than a...

I had to chop early last cycle, meaning no flush, and there was a delay before being able to process things for this cycle, which meant dead roots. When I got around to flushing the ppm was quite high, and the runoff quite brown; so, I just kept flushing (R/O), expecting the runoff to lighten up...

As far as I can tell, everyone is convinced that triacontanol is what makes Ca-25 effective, despite their specifically disclaiming it's involvement; however, while most dismiss the surfactant as simply another surfactant, I propose that the surfactant itself might be where the magic comes from...

What's the deal with this? I've looked into it and the waters are very murky as to how much one should use, and when... and how. :/

So, there was Liquid Light and Saturator, then, as I understand it, dude who made Liquid Light left to start Optic Foliar, giving us WATTs, Trasport, and REV, a somewhat cheaper alternative to the above; however, I noticed that Dutch Master no longer has Liquid Light on their site, and Saturator...

This cycle was going swimingly until a few weeks ago, at which point what appears to be a relentless potassium deficiency started up. I've done all the things, but haven't really seen any improvement, the first two to look rough look better, but most of the rest look worse. In retrospect, I...

All of the product images I've seen show an NPK of 0-3-1, but I just realized that the bottle I received says 0-0-0.8, far closer to that of Aptus Fasilitor and... every other silicic acid product? Not sure about OSA/28, but the rest seem to be 0-0-0.6. Anyway, what's up with this bottle of...

Assuming it's only been mixed with R/O water, can it be stored mixed? I'm finding it hard to not mix more than I need, and while it's no great loss, waste not, right?

It strikes me as such an inexpensive alternative to other upgrades in foliar application that I feel there must be something I'm overlooking, I suppose the pressure might not be great for beneficials, but other than that it seems great. :/

Last I looked people were still testing things out, though the Agrotech Magnums showed fantastic numbers and I went with them. That was four lights with 8ft ceilings, and the new place is going to be 16 with 12+ft ceilings. IIRC, Gavita and E-papillon are excellent if you have high ceilings, and...