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Kempf Compressed Coco Coir Pith Block, 10 Pound Block, Natural Potting Mix, Expands to 18 Gallons 10LB Block

(6 customer reviews)

🌱Promotes healthy root growth for all plants, while increasing growth rate compared to regular soil.
🌱High water retention, pith can act as the perfect soil conditioner. It can retain moisture up to eight times of its volume.
🌱100% Natural Organic and Eco Friendly
🌱Each block expands to 17 gallons of potting mix

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SKU: B003MOD2HY Category:

Natural Eco-Friendly mix, expands to 17 Gallons, used as potting mix and for Worm Beds, high Water retention, repels bugs, Mildew resistant,.

Specification: Kempf Compressed Coco Coir Pith Block, 10 Pound Block, Natural Potting Mix, Expands to 18 Gallons 10LB Block

Weight 10 lbs
Dimensions 11 × 11 × 5 in

6 reviews for Kempf Compressed Coco Coir Pith Block, 10 Pound Block, Natural Potting Mix, Expands to 18 Gallons 10LB Block

2.5 out of 5
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  1. James R.

    I wasn’t scared about the other reviews saying that this coir is filled with salt, as I’m not sure if the other reviewers are distinguishing between sodium chloride and other dissolved solids (like potassium, which my bananas can’t get enough of) when they claim they measured a high ppm (As for me, I measured 500 ppm after one rinse). At first, my plants grew just fine with no apparent signs of shock. However, 2 weeks after repotting using this coir, my plant was crawling with insect larvae. I might saved a few bucks buying this brand, but I’ll spend whatever you saved (or more) managing my new found insect problem. On top of that, there was a lot of dust amongst the fibers that I’m used to, and there were even pieces of rope mixed in. Next time, I will spend a few more dollars on a higher quality brand. I do not recommend this product.Read more

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  2. Paul C.

    I added 7 gallons worth of water into a 13 gallon garbage can and this compressed coco expanded to fill the can and more. The pH is a bit low as I measured 6.2 from some reverse osmosis water that I soaked an equal amount of coco in and that’s not too bad or too far off at all. I found my clones suffering from shock so I did a ppm test on the coco fiber fresh from the bag and found the run-off at 650 ppm which means there’s still a lot of salt in the media. So much so that seedlings and young sprouts suffer so beware and run lots of fresh water though your potting mix. Coco is a growing medium that is used to physically support the roots of your plants. It doesn’t contain nutrients to support their growth, you’re going to have to add those yourself in the form of some of the many fine planet nutrients. Coco holds water very well so I add a mixture of perlite in a ratio of 1:5 to add some air and help with drainage. Many gardeners add coco to their native soil as a supplement but indoor gardeners can use it alone. Coco can be reused by simply running some tap water through while monitoring the PPM in the run off. I find that running about twice the amount of water through the coco does a good job of purging the remaining nutrients … run 10 gallons of water though 5 gallons of coco. In the last couple of weeks of fruiting I do a flush which tends to make the fruits sweeter and cleans out the media too.Read more

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  3. John

    I gave this a three star because of the amount of work you will need to put in to separating and flushing out the salts, ECT. If you want portioned sizes I would recommend purchasing the smaller size bricks. Again, when you think you are done flushing, do it at least 2 more times. I didn’t know in the beginning and lost a lot of transplants this year.Read more

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  4. Frank E. Trinkle

    I found this coir to be less than perfect. It expands well, but there were a lot of strings and unidentifiable things in the coir once expanded. The salt level was also higher than I was willing to plant in without multiple rinsings. It is not OMRI organic certified. I planted out in the coir with multiple amendments, and it did OK, but I have found another brand on Amazon at about the same price that has been absolutely excellent, without foreign matter in the coir, and low salt levels. It is also OMRI certified. As a result, I cannot in good conscience recommend this brand, as there is an alternative at the same rough price that far exceeds the quality of this one. Three stars because plants DO grow in it, but not as well as the brand I now buy regularly on Amazon.Read more

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  5. A. Pendleton

    Fantastic product! I am working on a project called the Free Tree Project, where I raise trees to give away to people – with all the deforestation and general havoc that humans are wreaking on this planet, I love to see all the people who have been interested in planting trees. Unfortunately it’s expensive to pot so many little trees, but I did read about making your own potting soil and figured I’d give it a try. Not only is coconut coir a great substitute for peat moss, it’s better for the environment. Peat moss, which is often used as a main ingredient in commercial potting soil, is not a sustainable resource. Coconut coir, however, is very environmentally friendly – it is simply a byproduct of the coconut industry. My DIY potting soil consists of 2 parts coconut coir, 1 part finished(sifted) compost, and 1 part perlite. So far my plants seem happy with it! I liked this block of coconut coir even better than the ones I got from a local pet store. Absorbs water quickly, and expands like crazy! For only about $17, it’s a fantastic deal. I’m making my own potting soil, which is just as good as the commercial stuff, for a fraction of the cost. I’m glad I discovered this!Read more

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  6. Karly

    After about a month, I am fairly certain that this product was contaminated. I have had an endless fight with gnats after starting this soil, and recently discovered a mushroom growing in one of my houseplants (in which I used this medium). I’ve used other similar coco fiber mediums, and absolutely loved them. I was very excited to use this product, as it had good reviews and was a very large amount. However, for me, this product was a dud.Read more

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    Kempf Compressed Coco Coir Pith Block, 10 Pound Block, Natural Potting Mix, Expands to 18 Gallons 10LB Block
    Kempf Compressed Coco Coir Pith Block, 10 Pound Block, Natural Potting Mix, Expands to 18 Gallons 10LB Block

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