Nature's Footprint Pumice Soil amendment, 5-Gallon
|Price:||$27.20 & FREE Shipping. Details|
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- Excellent aeration
- Good drainage
- Pumice is Neutral PH
- No shrinking or compacting in aging
- Not a host to fungi, nematodes, insects, etc
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CHOKING HAZARD -- Small parts. Not for children under 3 yrs.
|Item Dimensions||12 x 10 x 10 inches|
|Item Weight||21 pounds|
|Manufacturer Part Number||5PU|
|Shipping Weight||28 pounds|
Pumice is a type of igneous rock which is formed from molten or partially molten material. Providing excellent aeration to the soil, pumice loosens heavy clay soil and retains moisture well. With the addition of as little as 10-Percent pumice in potting media and garden soils, you will significantly improve your soil. The porous nature of pumice allows it to hold vital nutrients in surface pores, which helps regulate fertilizer feedings. Pumice is a great bedding additive to worm composters, adding air space, preventing matting, and helping to control moisture.
Phosphorus runoff poses a threat to water quality. Some states restrict the application of phosphorus-containing fertilizer on non-agricultural lawn or turf. Check your local laws prior to purchase.
Top Customer Reviews
Update: I purchased pumice from General Pumice Products (www.generalpumiceproducts.com). Not much needs be said about Nature's footprint (left) as compared to GPP's product (right). The later is DRY, almost no fines and is worth bang for buck for those of us who do not have a readily available source of pumice. The attached picture says it all!!!!
It is porous, like perlite, allowing water, nutrient and aeration. Aeration of the roots is vital to prevent root rot. Roots, like any other part of the plant, need to breathe. Without the ability to do gas exchange (O2/CO2), the cells will begin to die and microbes in the soil will begin breaking them down, causing rot (I'm a nerdy biologist). The pores can also hold onto water as a "reserve" for when the soil begins drying out, keeping it moist just a little bit longer. Nutrients can also enter the pores and stay there until a root enters the pore. This provides the plant a more consistent source of nutrients between fertilizing.
I don't like using perlite because of the dust it creates, it floats to the top of the soil easily, in breaks down much easier than pumice, the size of the pores is smaller, and the size of each granule tends to be smaller than pumice. I even bought extra course perlite once instead of this pumice and regretted it. There was so much dust that I had the wear a dust mask, keep it damp at all times, and wash it before each use. I ended up coughing for the next few hours if I don't wear a mask. It was such a pain to use.
I would say the size of the pumice ranges from 1/16th of an inch to 1/4th inch diameter. Most of the pumice is between 1/8th to 1/4th inch. I've never received dust or powder, like others have said. I'm not doubting their claim, it's just never happened to me.
The only downsides I can come up with are:
1) Price - it is more expensive than perlite but I find it worth it for many of my outdoor container plants. I will use perlite for indoor plants to offset some of this cost.
2) Weight - this can be a positive or negative thing. It does weight more than perlite. This means the container will be harder to move it it is large. However, if you grow a lot of top heavy plants, sometimes the weight is needed. My plumeria trees need to go in and out of the greenhouse depending on the season. It is a big pain to move such heavy pots. BUT, because plumeria are very top heavy plants, the weight keeps the pot from tipping over in the wind.
Overall, I recommend at least trying the pumice to see if it works well for your needs. I love it and will order it again and again.
For my needs I prefer to have kept with the perlite for indoor container gardening. Any other so-called benefit of using pumice as an aeration amendment can be overcome with quality compost, rock dust, and EWC in addition to perlite. Otherwise the product is "as advertised".
EDIT: 5/10/16 Update: I am satisfied with the pumice as an aeration component. Further, I'm confident this package will last a long time, fines and all. I would purchase this product again if I could not source it locally.