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Hey, today we are talking about underwater plants. You know, oxygenators and submerged plants. The reason we have this is to starve the algae in the water. We would rather have this nice looking plants growing up from the bottom of our pond than have green water. Now, the best of these is anacharis. Now, there is also a hornwort but I prefer anacharis and I think most people do. You know, typically when you order them in, it is going to be delivered to you or if you buy it a local pond supply store, it is just going to be in a small bundle. You know it will be about 6” tall and there will be four, five, six strands usually wrapped with a rubber brand or sometimes like a lead weight, like a wrap around lead weight that looks like a rubber band but it will hold it down. Now, do not just throw that in your pond. I have seen a lot of people do that and you know sometimes these things are fairly expensive, and depending on  where you are at or where you are buying it from. So the last thing you want to do is just  chunk that anacharis in to the bottom of your pond for two reasons.

Number one, your fish will eat it. If you have a large koi, it would act just as a Scooby snack and they are gone, so you would be much better off throwing them something else for a treat or  some lettuce or something. It will be much cheaper. Now, the other thing is some folks have very deep ponds. You know, a lot of times I would keep my pond around four foot deep, so in that case I would need to put any other underwater plants on a shelf. Because if you throw it that far deep it is not going to get enough sunlight to live and eventually the next time you are cleaning out your pond or netting in the bottom of the pond you are going to see that you don’t have anything left except a little led weight and just a little stock of rotten anacharis, so don’t just throw it in. What I would do is I would plant it. I would find like a shallow like, you know something you would use for seeds in a greenhouse or where you have bought some seed type plants. It doesn’t have to hold the water and it can holes in it but what I like to do is have at least enough to hold the gravel, and I want to plant the anacharis in the gravel, no soil of any kind. The only fertilizer this plant needs is your fish waste and any of the C02 that the fish is creating, so that gets it and don’t add any soil to your water. We don’t want to make the problem worse.

Now, typically, I have seen an off the top formula, it is one bunch per square foot of pond so if you have a 3 by 5 pond you would need 15 bunches, an 8 by 10 would be to 80 bunches, that’s kind of on the low side but it would be a good start. So if I had a 3 by 5 pond I would plant the entire 15 bunches in a small planter and I would not even just put that planner in the pond. I would put it in a pond, let’s say a pump protector. You know, the pump protectors that you get to, that basically have like a led weighted area and you put your pump in there and then the top one is more over floating so that it keeps the structure and that’s what I would plant the anacharis in. My plants would be there just as if it were a pump. In that way it can grow because of its area about 2 foot tall. It is going to have to grow 2 foot before it starts sticking through the netting and at that point I don’t mind the fish munching on it as long as it fills up that pump protector. And then what I would do if you got it in the water at the right depth, it is getting enough sun, and your fish aren’t eating it, when that net gets full, then I would think about having another one.

If you had two or three of those planted around your pond protected to keep them being eaten, you are going to have a great algae control system going right there in your pond and anacharis looks really good. You know, as it grows through the netting if you get it established well enough and you don’t have too many fish, it may even grow fast enough to stick on out of the netting you know, so it looks like you don’t even see the netting and then the fish will lay their eggs in it. You would get some pretty good benefits from them but it looks good. So you know those are the main tips I have for the underwater plants. Be sure you protect it. If you don’t want to go and spend the money on the pump protector, rig something. You know, take some PVC and stick it together, and drill some holes in it otherwise it will float, and just wrap some kind of netting like a bird netting that you would put around the three to keep the bigger koi out of there but I wouldn’t throw the anacharis in the pond without some protection. So anyway those are the key tips on underwater plants. Good luck with your pond.

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