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Description
pumice for indoor plants Pumice Soil AmendmentLightweight Pumice Volcanic Soil Amendment for Superior Drainage & Moisture Retention Pumice (filtered to 3 81 4) is a lightweight volcanic rock prized for its porous structure. When added to potting mixes or used as a top dressing, it enhances aeration, regulates moisture, and supports healthier root systemsperfect for cacti, succulents, bonsai, and all your favorite houseplants. Key Features & Benefits Moisture Retention: Absorbs water and
Lightweight Pumice – Volcanic Soil Amendment for Superior Drainage & Moisture Retention
Pumice (filtered to 3/8″–1/4″) is a lightweight volcanic rock prized for its porous structure. When added to potting mixes or used as a top dressing, it enhances aeration, regulates moisture, and supports healthier root systems—perfect for cacti, succulents, bonsai, and all your favorite houseplants.
Key Features & Benefits
- Moisture Retention: Absorbs water and nutrients, then releases them gradually like tiny batteries, nourishing roots over time.
- Improved Drainage: Prevents waterlogging by allowing excess moisture to flow away quickly.
- Enhanced Aeration: Creates air pockets in soil for optimal oxygen flow and vigorous root development.
- Lightweight & Durable: Easy to handle, won’t compact or break down over time.
- Sustainable & Clean: Pre‑dried for convenience—no damp, dusty mess—and 100% natural, chemical‑free volcanic rock.
Why Use Pumice in Your Indoor Garden?
- Healthier Roots: Reduces risk of root rot with superior airflow and consistent moisture balance.
- Consistent Growth: Balances hydration levels to prevent stress from over‑ or under‑watering.
- Versatile Applications: Ideal for mixing into potting soil, top dressing, propagation medium, or bonsai substrates.
How to Incorporate Pumice
- Soil Amendment: Blend 10–30% pumice into your potting mix to improve structure and drainage.
- Top Dressing: Sprinkle 1–2 cm over soil surface to enhance evaporation control and deter pests.
- Propagation Medium: Use alone or combine with other substrates for rooting cuttings and seed starting.
Shop Pumice & Soil Amendments
Browse Pumice and Our Full Soil Amendment Collection to give your indoor plants the foundation they need for healthy, resilient growth.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.2 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Worked for Volvo Penta SX Gimbal Bearing
Very heavy tool, I was surprised. Pulled my bearing like it was nothing. Putting the new bearing in was a little more difficult as you have to drill a hole in the engine alignment shaft where it will work for your particular outdrive. Not hard, but it does not come pre-drilled as the required depth for each particular gimbal bearing differs by manufacturer and model. Measure your bearing placement before removal and check that it was installed correctly in the first place. The bearing should line up with the grease fitting and the o-rings on the drive shaft should end up riding in the middle of the bearing. once you have your measurement drill the hole, I used a drill press. I suppose you could use it on multiple outdrive models as long as you can drill more holes.
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Reviewed in the United States on June 5, 2023
★★★★★ 5
Great value
This kit worked perfectly on my Alpha one mercury outdrive. I saw a lot of people mention that it was a hassle to drill the hole when you better have all this alignment stuff. I threw it in use my regular drill drill guide and then the second hole was lined up. Pulling Gimble be very easy. I did have to adjust it up at an angle because my bearing was sitting in their crooked and it came out the second time I made the adjustment to the angle. I would highly recommend this.
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Reviewed in the United States on April 16, 2024
★★★★★ 1
Unfinished product - doesn't work - waste of money
in order to use this as an installation tool the directions tell you to drill a hole through the 2 inch steel rod..... either this hole should already be drilled, or this should not be advertised as an installation tool..... it will not install any bearings without extensive modification and requires the use of a drill press or a lathe. very dissatisfied that I now have to buy ANOTHER tool just to finish this job because this one doesn't do what it's described to do.... piece of junk... typical amazon garbage.... this is why I haven't used amazon in over a year... they rip you off with garbage.... I should have known better .... don't buy this junk .... Now they say 20 -30 days to get my refund .... Don't waste your time
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Good tool, but must be hand drilled to accept bearing installation cup
Good tool, but you have to drill a hole in the bearing installation rod to accept the cross bolt that locks the bearing installation cup onto the rod.
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Reviewed in the United States on January 23, 2023
★★★★★ 5
Worked well
Worked well
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Reviewed in the United States on October 31, 2025