Rapid Rooter plugs - Don't they hold too much moisture?

by Sue
(Seagrave, Ontario, Canada)

Rapid Rooter plugs, for starting seeds and clones

Rapid Rooter plugs, for starting seeds and clones

I have used rapid rooter plugs this year for the first time. The seeds started and rooted in no time. BUT, when I put them into the soil filled pots, the rapid rooter plug keeps pushing itself back out of the soil. Not a problem as the plants are now big enough.

What I did notice: when I was waiting for the seeds to sprout, and then when I planted them into the next size up pots (6 inch dirt pots) the plugs were always wet.

So my concern in using them in a DWC (Which I am about to start) is that the plug will hold a lot of moisture against the stem of the plant and may potentially cause rot. Is this a possibility?Are you actually using rapid rooter plugs in your hydro set up?

Answer: I currently use Rapid Rooter plugs for all of my clones, and they end up in my hydro system with the clones. I prefer deep water culture systems myself (Be sure to check out My Most Successful System). Every different plant you try to grow in this system will behave a little differently. If one particular strain does not like the standing water (constantly wet Rapid Rooter plugs included), one possible solution is to try different genetics/strains until you find one that is more agreeable in the system and environment you are providing.

Also, when you take your clones (if you are taking clones), dip them in cloning gel and place them in a jar/container of water for the first week to ten days...until they pop their first roots. After that, place them promptly into the rapid rooter plugs. In this way, the newly forming roots have been preconditioned to tolerate standing water conditions. This will greatly help your success rate in many cases.

Finally, be sure to keep the nutrient solution in your DWC around 65-70 degrees (tops). Warmer water holds less and less dissolved Oxygen. Nutrient absorption only occurs in the presence of Oxygen. Furthermore, many pathogens thrive in Oxygen poor conditions. So, do yourself a big favor and keep your solution temps in check! In addition, I always keep a couple of air bubblers in the nutrient solution reservoir to ensure the solution running through the hydroponic system contains plenty of dissolved Oxygen.

Thanks for the question Sue, and Happy Growing!

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