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Seasol 600ml Concentrate $4.80 (Was $8.20) 41% off @ Woolworths

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Spring is here and Seasol will help keep those plants happy. Seasol concentrate 600ml makes 270L. Stores well so you can use it next year too.

Powerfeed fertiliser to get those plants growing also available for the same price.

Related Stores

Woolworths
Woolworths

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  • +1

    To make your plants grow
    power feed

    • +3

      Agreed. Seasol is a tonic (a very good one I use regularly) but not a fertiliser.

      • +24

        Seasol is made from two species of seaweed – Bull Kelp (Durvillaea potatorum), Chile Bull Kelp (Durvillaea Antarctica) and Knotted Kelp (Ascophyllum nodosum). It is not, by definition, a fertiliser (as it contains only marginal nitrogen and phosphorus levels). Seasol seaweed concentrate is a complete garden health treatment that contains plant nutrients, trace elements, alginic acid and other bioactive compounds. Seasol promotes healthy roots, encourages beneficial soil micro-organisms, stimulates flowering and fruiting and helps plants to cope with stresses like heat, drought, frost and pest and disease attack.

        PowerFeed is a fertiliser. It has a fish base which is fortified with nitrogen, phosphorus and potassium. The ratio of which is Weight to Volume N 12%: P 1.4%: K 7% respectively. PowerFeed also contains dynamic soil improvers in the form of humic acids. These compounds work at very low rates and are literally like adding liquid composts to the soil. As well as being a quality fertiliser, PowerFeed is also a clay breaker. It stimulates beneficial soil microbial activity and markedly reduces leaching in sandy soils.

        Agreed it’s not a fertilizer, but it does a damn good job at giving plants a kickstart any time I use it.

        • +12

          LOL! Isn't that what I just said with fewer words? Thanks for the specifics. It might help someone.

          • +3

            @bigpallooka: Haha yeah it is. Was just tryna add that Seasol can still be used to kickstart flowering etc.

            • @LittleTicket: I wonder if overuse was the reason my Kale and Cos lettuce bolted?

              • @bigpallooka: Too much nitrogen can affect plants, so potentially? They do a liquid compost which is probably better for veggies.

                • @LittleTicket: I'm trying one of the fish based ones at the moment as I wanted higher potassium and phosphorous content for the sweet potatoes I'm about to plant and everything else seems to concentrate on nitrogen.

                  • @bigpallooka: Try to stick to the limits on the pack for quantity and frequency. Also make sure your soil is good to start. Highly recommend the liquid compost

            • +1

              @LittleTicket: Heat can make em bolt.

              • @Naigrabzo: Yeah. I don't think that was it. I'm coastal tropical but it was quite mild around that time. They were grown in a self-watering tub I made and didn't fertilise them just added Seasol a few times.

          • @bigpallooka: haha. There were more words, so it must be more true.

        • Seasol good option for citrus trees that were given a skeleton prune recently?

          • +2

            @JamesLucas: Yes. It's basically a health tonic, safe for the vast majority of plants.

        • +1

          I've always wondered why everyone says Seasol is "not a fertiliser"… now I know. Thanks!

        • How much Seasol and PowerFeed do you use? Say per 100m2, how many litres each?

          • @delfredo: It’s 50ml to 9L water. So it’s just how generous you want to be. I’d count out a decent 3 seconds per English box and maybe 5 seconds per lavender. For my lawns it’s just a continuous moving pour. But all of these are established. When new you give it more time.

            • @LittleTicket: The concentrate bottle label says 9 litres diluted mixture covers approx 2-4 sqm. For established lawn it says to mix 100ml seasol concentrate to 9L water. So for a 600ml concentrate bottle you can only cover 24 sqm at most. Does it sound right? It's not much coverage.

              Is it easier to use 9L watering can for lawn or to use a 2L hose on pack? I can't imagine having to mix a new batch of mixture in a 9L watering can for every 2-4 sqm of lawn.

              • @delfredo: Jeepers. I wouldn’t dream of doing it like that. Literally do a snake walk across your lawn at a slow pace. I just did one the other day after aerating the lawn and went through 8 x 9L watering cans (so 400ml) for 60sqm of lawn. And that’s because my lawn was suffering in some spots.

                You may be better off getting this:
                https://www.bunnings.com.au/powerfeed-4kg-troforte-lawnfeed_…

        • How does Normal fertiliser differ from PowerFeed?
          https://www.bunnings.com.au/scotts-osmocote-500g-all-purpose…

          • @EnALup: Continuous feeding of the plants over a 12 month cycle. Powerfeed is more regular

        • Hi LT, do fertilizer like Seasol have a shell life ? Means they expire after some time?

          • @skjaus2015: 5 years. Store them properly.

            • @LittleTicket: Thanks LT, I have few fertilizers, Seasol, charlie carp, osmocote in my garage sitting for quite a while, probably more than 5year !! . Got some from Melbourne flower show.

    • I mix Seasol and Powerfeed together before watering the plants.

      Ok to mix?

      • No harm but you’re potentially overdoing it. Horses for courses.

        • They are for pot plants I may add.

          Would there be any benefits use separately two weeks apart?

          • @JimB: Seasol do a powerfeed for pot plants. Give that a go instead. It’s a spray.

            • @LittleTicket: Naaah, have plenty of regular Powerfeed left.

              Plus it looks like it's just Powerfeed that been diluted with 3 parts water lol.

              Powerfeed:

              W/V: Nitrogen (N) 12.0%. Phosphorus (P) 1.4%. Potassium (K) 7.0%

              PowerFeed Indoor & Potted Plants:

              W/V: Nitrogen (N) 3.0%. Phosphorus (P) 0.4%. Potassium (K) 1.8%

              Great marketing though!

              • @JimB: I’d say it’s because they don’t want your plants overdosing on nitrogen and dying!

  • +11

    This is $4.75 at Bunnings regular price..

    • +2

      5% gift cards = $4.56. Take those savings to the BANK!

      But seriously, better accessibility for people in Melbourne atm I would suspect.

    • +3

      Normal price is $5.58 pricehipster

    • +1

      price may have been dropped in response to this, to avoid price-match guarantee

  • +5

    Maths doesn't check out for 50% off

    • Yeah, just noticed and edited.

    • +2

      To be fair, Bunnings dropped their price today. It's not their standard price.

      • What was the Bunnings price before they dropped it?

        • +1

          $5.58

    • sites gotta to make money, and more money , and more money…

  • +2

    Sorry to remind those who missed out but still have a few left from the Bunnings 1.2l@$3.75 bargain

    • That was the best. Grabbed a couple bottles at the time. There was plenty of stock too.

    • I still have some when I got 2L for $5 3 years ago.
      https://www.ozbargain.com.au/node/304452

      • That as a good deal.

  • +5

    Today's OzBargain fun fact - Seasol stands for Seaweed Solutions

  • Thanks!

  • Great for lawn and roots too.

  • +7

    This stuff mixed with seasol works wonders on outdoor cannabis plants.

    • +13

      Ah yes. The mixing of a product with itself.

      • I mean powerfeed 😅

    • +9

      Sounds like someone's been mixing cannabis with their cannabis.

    • -1

      Rubbish, anybody who grows that here fills it to the brim with PGR.

  • I have a dead little bush plant, will this revitalise my bush?

    • +1

      If it’s actually dead, then no. If it’s sick, it’ll give it a good shot.

      • ok thanks, I don’t know what I did wrong. Turned brittle and stick like. Not enough water perhaps.

        • When you plant a new plant, use seasol right away. Then normal as water over the course of 2 weeks if necessary, and then use seasol again. Repeat 3 times (so over 6 weeks). Your plant will love you for it.

        • +2

          Really depends on the plant. Most likely water, but could also be soil (too acid/alkaline or even contaminated, although that's unlikely), inadequate or too much drainage (clayey/sandy soil), possibly the wrong or too much fertiliser. Some natives require special low phosphorus fertilisers and will react badly to compost.

          Most new plantings require regular watering until they settle in. Even then plants from nurseries (and supermarkets) are often very slow to spread their roots outside the potting mix so can't take up moisture and nutrients from the surrounding soil.

          Trick when planting out is to dig a large hole (at least 4x the size of the pot) and mix some water crystals and potting mix in with the existing soil before you shovel it back in and plant the shrub. Water in well then keep the water up to it for a few weeks at least - more in dry areas and in places with sandy soil obviously. Don't over-water though - you want to encourage the plant to push roots into the surrounding soil in search of moisture and nutrients asap. Normally you don't fertilise new plantings although seaweed tonic and slow release fertiliser are okay.

            • +2

              @blorx: Looks like it dried out. If you're desperate it might be salvageable if you immerse the pot in water for a few hours and cut it right back. Probably easier to buy a new hardier plant. Unless you don't care much about a plant or it's really hardy always use good quality NEW potting mix, add some water crystals and soak the potting mix if you can. Plants generally need repotting with refreshed potting mix every couple of years. They become root bound, which doesn't help their uptake of water or nutrients.

  • Bunnings has this cheaper and it's a normal price. not special.

  • so if my grass is a bit yellow-ish, will this help?

    • You need water and sun.

    • +1

      Probably a mineral deficiency with yellowing. Sort of like needing a vitamin tablet, so PowerFeed would be better for that. However fertilising can be overdone, much like how vitamin overdoses are bad. Seasol is more like giving plants a personal trainer to go above and beyond normalness. Some is good (and progress is made) but if you go overboard with it then the plants will just ignore the additional Seasol. That’s why it is suitable for delicate seedlings and natives (who get burned by most fertilisers).

      • Is it ok or wrong to then water the garden with Weed and feed?

        • There's a special version of weed n feed if you have buffalo grass.

  • +2

    I've started combining the three products Seasol + Powerfeed + Seasol Liquid Compost.
    50mL of each into a 50L bucket and then spreading it around the garden via watering can.
    Time will tell if it is effective but so far it seems to be working.

  • +1

    Add molasses for great lawn too. Powerfeed + seasol + molasses.

    • Really? What ratio/how do you mix?

    • Very interesting. The only use for molasses other than as a food item that I heard of was for soaking vintage car parts to remove the rust.

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