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Thanks for the reply. I wound up simply teeing into the loop nearest the room in question. No one who was around when the CO2 was originally plumbed had an answer for me. The entire loop is plumbed in 1/4 hose, which surprisingly seems to work perfectly, the rooms sit consistently at their...

I was recently looking at this myself and when it comes to cheap pH dosing, I wasn't particularly impressed. 1. Most of these systems would recommend calibrating your sensors when you start using them, then on a schedule, different companies make different recommendations, and different sensors...

Comfortable depends on the sizing of your HVAC system, and what you are trying to achieve. In an unventilated 4x4 tent, air temps can easily reach 100 degrees if the lights are not going to auto-dim. Exhausting the air to the outside or attic space (assuming it is dryish) will be better for your...

I'm installing additional growing space at an established 10 room grow. Most of these rooms have CO2 injection. I figured I'd be tee-ing into the line nearest the new rooms, but I came to discover that the rooms are arranged in a loop. Explanation: Tank --> Regulator --> Valve --> splits at a...

I had a plant that grew leaves with only 3 leaflets, and grew them immediately opposing eachother. It started to auto in my veg tent, so I stuck it outside at like 1' tall. It stayed that height under July sun. Grew some flowers at the normal spots, and grew some small buds at the bases of the...

That looks good, but unfortunately I'm looking for something which will fit with a 3/4 hose (netafim style, very thin wall)

Title says it all. I'm looking for a quick release connection that I can adapt to an irrigation system so that I can remove a room's worth of lines, hook them up in a basin and soak them. I've been on this journey before and generally find that even the good solutions have a tendency to be...

If you like Teaming with Microbes, Teaming with Nutrients and Teaming with Fungi are also excellent books.

Just as seedlings can go some time without nutrients, they can also grow with considerably less light. %100 at that distance was pretty close. A single CFL with a reflector at that distance would be more than enough.

I'm curious to see, just for the sake of seeing. Necessity is the mother of invention, and there's still plenty of room for new strains and creativity in Cannabis.

CO2 uptake drops steeply at night. If you have an "open loop" system (like a timer on a solenoid, no sensor) it would be pumping CO2 into the room that the plants would not use (until morning or leakage). If you have a sensor driving the addition of CO2 it would only be refilling what leaks out...

I've always felt Uniseal is the answer for bulkheads in plastic buckets. I ran 12 buckets with two uniseals each for nearly a year with no leaks. I struggled with getting bulkheads to seal on the curved surface of a bucket, especially buckets that were thicker. The firm rubber of a uniseal plus...

I think the main reason using tap water is not recommended by many, is that even if your tap water is normally at a fine rate for a plant, you're not really in control of what's in the water itself. Across the U.S. in particular, we have a significant variety in potable water sources and...

How do you identify that "it works fine"? In large stock tanks I know that it's pretty common to add something to keep unwanted life down, but if you're not certain, the only way to get a safe rate would be to start very low and increase until you see positive results and before you nuke the...

In my area there are businesses which can rent out large yard waste containers (other than the municipal service). These places are often the same places that sell mulch and soil, because they need the same equipment and space to accept large amounts of yard waste. Depends on the load, but it...

Most consumer grade dehumidifiers actually add some heat to the space, as they generally have the compressor, condensing and evaporating coil in one small package. All AC units will dry the air to an extent, as they cool the air moisture condenses on the coil and drips into a tray. I suggest...

I'd also like to add as a separate post: I don't look down on the Yoda --> Dooku --> Qui-Gon Jinn --> Obi-Wan Kenobi, way of passing down knowledge. I think some things may never have made it this far without that knowledge. I do feel that illegalization led to this information never making it...

5 years ago I started work at a BIG indoor medical grow in OR, it switched to Rec, got lots of investment and I wound up becoming a sort of maintenance person for the whole farm. Lights, fertigation systems, facilities maintenance. I learned a LOT and one thing I learned in particular (after...

Hopefully I don't upset DapperDon by responding with a fresh account. Also sorry for Resurrecting an old a-- thread. I've been using thirty-six Solistek 1000w DE 6k bulbs in Gavita Pro 1000e fixtures for plants in veg. The people in charge were originally sold on Gavita fixtures and Lamps in...