instead of using spikes you can leave the bottle caps on and use the nails or drill to make holes in the bottle caps. The spikes in the picture though, you probably have to purchase them online. As mentioned above, instead of using spikes you can leave the bottle caps on and use the nails or drill to make holes in the bottle caps. The plastic bottle cap can be used to regulate the flow from the soda bottle irrigator. How To Freeze Green Onions In Plastic Bottles. :) >> Download Here <<. There’s an alternate free option, which works just as well providing slow drip irrigation for your plants, keep reading for more details. Remove the caps from the bottles, and rinse them. [1] X Research source Avoid making the h… A 2-liter bottle will work the best, but you can use a smaller one for a smaller plant. you can easily find and reuse these for free. That will help you save some money. Re-fill with water when the bottle is empty. Place the cap back onto the bottle when you are done. Use a drill or a nail and hammer to poke several holes into it. Turn the bottles upside down, and stick them intothe ground with the irrigation spikes going in first. As mentioned above, instead of using spikes you can leave the bottle caps on and use the nails or drill to make holes in the bottle caps. As my the size of my garden grows with each season, I find it is becoming harder to manually water all my plants. Poke 4 to 5 holes in the cap. I am going to purchase some spikes and just drill holes in the remaining bottles. This should slowly release the water into the soil, the same way the irrigation spikes would do. Seems pretty simple to make these, will just need a couple of empty plastic bottles. The more holes you poke, the faster the water will flow out. Make sure the holes aren’t too small as they’ll clog up with debris. Thoroughly water the soil around the plant, then fill the plastic bottle irrigator with water. Thank goodness you can easily find and reuse these for free. The tighter the cap is screwed on, the slower the water will seep out of the holes. Related to DIY drip irrigation: DIY clay pot irrigation STEP 1 Make 4–5 small holes in the cap of a plastic bottle using a drill or nail and hammer; the more holes you make, the faster the water will pour out and vice versa. You can get more ideas on the SF Gate Home Guides blog, here…, You can watch the video below on garden bottle watering irrigation spike…, You can watch the video below on automatic garden cone watering spike…, You can watch the video below on how to make an irrigation spike…, You can watch the video below on neat ideas watering spikes…, "100 Gardening Tips Every Gardener SHOULD Know! This should slowly release the water into the soil, the same way the irrigation spikes would do. This is why I am always on the look out for hands free solutions such as the diy gravity pvc irrigation system and the diy deep pot pvc irrigation. Some people find it is easiest to use a funnel to fill plastic bottle irrigators. ", Never miss a post! Re-fill with water when the bottle is empty. Remove the cap and set it down on a piece of scrap wood. Join my free weekly newsletter & I'll email you this free gift! This coming season I will be trying these diy plastic bottle drip irrigation too.