Algae grows in two main places. Ponds and pools often have a layer of algae in the water. The other place that algae often grows in on outdoor surfaces that are frequently wet, such as decks and outdoor furniture or cloth. There is no need to purchase expensive algae-removing products. There is a simple removal solution for both ponds and pools as well as outdoor surfaces. The removal method for ponds will not damage plants or fish in the ponds, but the surface algae remover is tougher. Test the material for potential damage or colour alteration before using the surface remover.
- Skill level:
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Things you need
- Barley straw
- Old pantyhose
- Fishing line
- Fishing weight or pond float
- Trisodium phosphate
- Large bucket
- Scrub brush
Measure 2.12gr of barley straw for every square foot of pool or pond surface area (see Resources for sources). For a 175-square-foot pond, for example, bundle about ¾ lb. of straw.
Place the straw inside a bag made of old pantyhose. Knot the end of the pantyhose so that the straw cannot escape from the bag. Make the bag large enough so that the straw can spread out and is not in one giant clump.
Tie a 1- or 0.907kg. weight to some fishing line. Cut the line to equal the same length as the depth of the pond or pool. Tie the other end of the line to the barley straw bag.
Place the bag in the centre of the pond or near a source of water agitation. Allow the straw to stay in the pond for an entire season. After about one month, the algae content in the water will dissipate.
Mix 1 ½ cups of TSP with one gallon of water in a large bucket. Add 2 quarts of bleach to the mixture. Mix thoroughly.
Scrub the infected area with the solution. Allow the mixture to sit for about 20 minutes so that the ingredients have time to penetrate the surface and kill the algae.
Rinse the area with clean water. Dry as much of the surface as possible with old towels to prevent warping or rusting.
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