Alternative Chemicals

Alternative Chemicals

Pool Sanitising Chemicals at Incredible Prices

Please call us on 0208 941 6618 or email us
for more infomation, technical advice, or a competitive quote.

If you are allergic to chlorine, or simply dislike the smell and taste, there are excellent alternative chemicals available. Please note that these alternative chemicals are more expensive than chlorine-based chemicals.

To discuss your requirements, and for prices, please call us on 0208 941 6618 or email us.

Types of Chemical Products

Non-chlorine shock granules (Potassium Monopersulphate) - SHOCK AND SWIM! NO WAITING! This powerful chlorine-free shock zaps organic pollutants, bacteria, and algae and boosts chlorine’s killing power. Regular use also clarifies and restores sparkle to pool water. This quick dissolving formula requires no pre-mixing and will not bleach your vinyl liner. The perfect shock for weekly maintenance. Compatible with bromine. Dosage: 0.5kg per 10,000 gallons.

Bromine Tablets - These tablets actually contain both chlorine and bromine combined. However, they have less odour than chlorine, and are less corrosive in the atmosphere so are useful for indoor pools (particularly ones attached to a house). More expensive than chlorine and attacked by light, bromine tablets are not often used in outdoor pools unless bathers are particularly allergic to chlorine. As the product is supplied in tablet form, it must be added to the pool via special feeders.

Blue Crystal - This is a chlorine-free, two-part liquid treatment. It has no taste or smell and is harmless to plants around the pool. It also contains no algaecide and is not attacked by light. Treatment involves adding an initial dose of Blue Crystal Alpha followed by a weekly dose of Blue Crystal Omega. The amount needed is calculated from the pool volume and testing to see how much Omega is used up so it can be added more often if necessary. Shock dosing with unstabilised chlorine every 3-4 weeks is good practice to kill off resistant organisms. Using blue crystal is more expensive than chlorine. This product is less pH sensitive.

Bayrol - Sanitizes with active oxygen and is a two part treatment: Bayroklar and Bayroplus which activates the Bayroklar. It comes either as a 2 tablet system or as a tablet and a liquid. The amount needed is calculated using pool volume and a repeat dose is needed weekly. Shock dosing with chlorine is possible but not essential. It has no taste or odour and is environmentally friendly but is more expensive than chlorine.

Baquacil - This liquid product is not compatible with chlorine so the pool must be chlorine free before use. A pool left untreated over the winter will be chlorine free or the chlorine can be neutralized with Baqua Start. A start up dose of Baquacil and Baqua Check is added then after 24 hours the level of Baquacil checked with a test kit and topped up if necessary. Then the levels of each are checked weekly with further top ups as required. The pool should be shocked with Baqua Shock monthly.

Important Notes for Using Chemicals in Your Pool

The recommended way to disperse bromine tablets is to put them in a proper feeder designed for the purpose - either a cheap floating refillable feeder or an erosion feeder permanently plumbed-in to the pool water return line with an O-ring sealed screw top lid. Please contact us for more information and prices.

Chemical Concentration

You should always use the correct quantities of chemicals for your pool size. To work out the water capacity of your pool (in gallons), you can use the following formulas:

Imperial (gallons):

For square or rectangular pools - length (ft) x width (ft) x average depth (ft) x 6.25 = volume (gallons)
For circular pools - 3.1428 x radius2 (ft) x average depth (ft) x 6.25 = volume (gallons)

Metric (m3):

For square or rectangular pools - length (m) x width (m) x average depth (m) = volume (m3)
For circular pools - 3.1428 x radius2 (m) x average depth (m) = volume (m3)
Test kits are available on request.

Pool pH

All pools should have a pH between 7.2 and 7.6. A low pH is acidic and corrosive, and will damage pool parts and sting bather's eyes. A high pH is alkaline and stops any chlorine present working as well as being scale forming.

Test the pH of your pool using Phenol Red in a test kit - available on request. If your pool pH is not within the required limits (either too high or too low), you can add a pH minus or a pH plus to bring levels within the required limits.

pH minus - A pH above 7.6 ('high') is lowered by adding pH minus (sodium bisulphate or pool acid)
pH plus - A pH below 7.2 ('low') is raised by adding pH plus (sodium carbonate or pool alkali)
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