Price History for 33.81 oz. (1 L) Original Liquid Plant Fertilizer with Silica Biomix 1-3-1 (1-Pack)
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33.81 oz. (1 L) Original Liquid Plant Fertilizer with Silica Biomix 1-3-1 (1-Pack)
Power Si Original 1L is a powerful, bioavailable silica-based supplement designed to improve nutrient absorption, plant strength, and crop quality. Ideal for dedicated home growers or small-scale cultivation, t
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Aug 7, 2026 | $129.00 |
| Aug 6, 2026 | $143.10 |
| Jul 28, 2026 | $129.00 |
| Jul 27, 2026 | $143.10 |
| Jun 30, 2026 | $129.00 |
| Jun 29, 2026 | $130.07 |
| Jun 28, 2026 | $129.00 |
| Jun 27, 2026 | $130.07 |
| Jun 25, 2026 | $129.00 |
| Jun 22, 2026 | $130.07 |
| Jun 19, 2026 | $129.00 |
| Jun 17, 2026 | $130.07 |
| Jun 16, 2026 | $220.12 |
| May 16, 2026 | $217.92 |
| May 15, 2026 | $198.34 |
| May 14, 2026 | $180.30 |
| May 13, 2026 | $163.90 |
| Apr 13, 2026 | $149.00 |
| Mar 7, 2026 | $217.92 |
| Jan 18, 2026 | $209.82 |
| Dec 14, 2025 | $220.00 |
| Dec 8, 2025 | $220.00 |
| Nov 5, 2025 | $220.00 |
| Oct 28, 2025 | $220.00 |
Analysis
33.81 oz. (1 L) Original Liquid Plant Fertilizer with Silica Biomix 1-3-1 (1-Pack) price analysis
Price analysis for 33.81 oz. (1 L) Original Liquid Plant Fertilizer with Silica Biomix 1-3-1 (1-Pack) at Home Depot: Today's price is $129.00. That's 41% off the MSRP of $220.00. Current price is 14% below the 90-day average of $150.65 (a $21.65 below the running mean).
- The current price of $129.00 is 41% (or $91.00) below the MSRP of $220.00.
- Current price is 14% below the 90-day average of $150.65 (a $21.65 below the running mean).
- The lowest recorded price on PriceWatchPro was $129.00 on June 19, 2026. The current listing is at this all-time low.
- The highest recorded price on PriceWatchPro was $220.12 on June 16, 2026. Today's price is $91.12 below that peak.
- 30-day trend: trending down 9.9% from $143.10 to $129.00.
- Across 23 tracked price changes, the listing has dropped 9 times with an average drop of $22.40.
- PriceWatchPro has been tracking this listing since October 28, 2025 (284 days of price history).
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