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💧 Keep your garden thriving effortlessly—because busy pros deserve smart growth!
The BioGreen Hydro MAX S is a 0.3-gallon fired clay self-watering system that delivers precise hydration directly to plant roots, saving up to 70% water. Designed for up to 14 days of autonomous watering, it suits indoor and outdoor gardens alike, combining rustic terracotta durability with innovative irrigation technology for efficient, eco-friendly plant care.





| ASIN | B06XVZL9WV |
| Best Sellers Rank | #42,771 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #240 in Watering Cans |
| Brand Name | Bio Green |
| Control Type | Automatic |
| Customer Reviews | 3.8 3.8 out of 5 stars (569) |
| Fit Type | Barbed and Threaded |
| Global Trade Identification Number | 05055320022435 |
| Included Components | CLAY |
| Item Dimensions | 5.9 x 5.9 x 7.8 inches |
| Item Shape | Vessel |
| Item Type Name | WATERING_CAN |
| Item Weight | 0.3 Kilograms |
| Manufacturer | Redify |
| Material | Clay |
| Model Name | HM-S |
| Model Number | HM-S |
| Number of Pieces | 1 |
| Number of Sets | 1 |
| Plant or Animal Product Type | plant care tool |
| Power Source | Hand_powered |
| Size | 1 Liter |
| Special Features | Self-regulating watering system |
| Style | Rustic |
| Volume Capacity | HM-S |
M**A
Actually a year later
This one was a replacement I accidentally broke over the winter. I originally got them last spring. They work perfectly for what is needed. And if you Square Foot Garden, 5 of these small ones is perfect for a 4x4 bed. It definitely made last season so much easier to manage in regards to watering and irrigation. I'd just go out twice a week, or 3x if it's really hot to refill. My plants definitely benefited last year. So I'm looking forward to season 2.
S**E
They seem good
These came up on my search when I was looking for more ollas for this season. They were cheaper than the ones I bought last year, so I bought one. It seems good and I will be buying a few more soon. They seem to be a little lighter than the ones I have already, maybe thinner clay? I will just be a little more careful when handling them. They have the silicone lids that I liked on my other ones but these were half the price of those.
J**Y
Bait and switch
Looks like a good product but I am returning them as I bought and paid for three Medium size Hydro Max 3 liter container and received three small 1 liter containers. Looking over the reviews it seems to happen quite often. It’s a shame as it is a nice product but a untrustworthy Company
A**R
Keeps plants healthy
I have these in various sizes and brands. It is more expensive than the terracotta spikes with wine bottles. - but less conspicuous 😅. And easier - assuming the pot has enough room. I like the rubber top- since I’ve had others made of ceramic/terracotta break. These are key for retaining water when you don’t have a sprinkler system - I use rainwater.
N**E
Not a set of 4 as stated
Description is either inaccurate or received wrong item. States set of 4 but only 1 received. Outside of that, the quality seems ok. Not broken, is the size stated and would do the job. However, they are a smidge thin.
N**R
Best way to water raised bed
A friend gave me a small size, and I liked it so much I bought a medium one for my raised bed. I just planted seedlings of carrots and Swiss chard. The carrots circle around the small one, and the Swiss chard encircle the medium one. The water is released slowly down to the roots, which is better than spraying the top of the soil.
L**S
One to two season product
Purchased in April 2025 was is already cracked and broken after 9 months of use. I used it in a raised wego bed so it wasn’t around any tools or mowers.
E**.
Set of 4? Only received 1!
Four ollas were supposed to arrive, but only one was shipped. Update: the missing ollas were sent to me separately but it took a couple of months to receive them.
C**N
Superbe produit assez costaud et très bon distributeur d'eau
E**A
Lo compré pensando que venían cuatro (en las imágenes indica que es un set de 4); pero, no, solo viene uno. A nivel de calidad, parece un buen producto, pero me parece un precio demasiado elevado para que solo venga uno; así que, lo devolveré.
R**D
Excellent product!!! Thank you
M**N
Brilliant customer service! First one was delivered smashed. Immediate response from customer service to fix the problem. Feels well made. Bought as a gift so can’t review the performance quite yet, sure it’s going to be great in a raised flower bed though.
A**E
Erfüllt seinen Zweck, ist sehr langlebig…. Habe mehrere Ollas über mehrere Jahre im Beet und sie haben eine gute Qualität
TrustPilot
1 周前
1天前