Chemical Orders - Revision history

Matt Parnell at 01:47, 26 February 2025

2025-02-26T01:47:17Z

← Older revision		Revision as of 01:47, 26 February 2025
Line 127:		Line 127:
	\|-		\|-
	!2025		!2025
	\|50		\|55
	\|172		\|172
	\|0		\|0
	\|6		\|8
	\|0		\|0
	\|colspan=5\|TBD		\|colspan=5\|TBD
Line 173:		Line 173:
	=== 2025 ===		=== 2025 ===

	Lacking data for usage in 2023 and 2024, it's a bit difficult to know how much chlorine is required. With 21 buckets on-hand, 50 additional buckets will be ordered. As these buckets are 50 lb, this is equivalent to about 57 x 60-lb buckets. It's not clear if the Pulsar system uses more or less chlorine - again, lacking data (and also lacking supporting data for burn rate based on weather and pool usage). As acid was nearly depleted in 2024, ordering extra (172) for 2025 may make sense. If memory serves, we nearly ran out in 2023.		Lacking data for usage in 2023 and 2024, it's a bit difficult to know how much chlorine is required. With 21 buckets on-hand, 55 additional buckets will be ordered. As these buckets are 50 lb, this will be equivalent to having about 61 x 60-lb buckets post-order. It's not clear if the Pulsar system uses more or less chlorine - again, lacking data (and also lacking supporting data for burn rate based on weather and pool usage). As acid was nearly depleted in 2024, ordering extra (172) for 2025 may make sense. If memory serves, we nearly ran out in 2023.

Matt Parnell at 01:36, 26 February 2025

2025-02-26T01:36:25Z

← Older revision		Revision as of 01:36, 26 February 2025
Line 5:		Line 5:
	{\| class="wikitable"		{\| class="wikitable"
	!rowspan=2\|Year		!rowspan=2\|Year
	!colspan=5\|Order		!colspan=5\|Order (Start of Season)
	!colspan=5\|Inventory		!colspan=5\|Inventory (End of Season)
	!colspan=5\|Usage		!colspan=5\|Usage
	\|-		\|-
Line 110:		Line 110:
	\|8		\|8
	\|6		\|6
	\|colspan=5\|~~Pending~~ (~~Sep 2023~~)		\|colspan=5\|Did Not Inventory (see 2024 notes)
	\|colspan=5\|~~Pending (Sep 2023)~~		\|colspan=5\|Unknown
			\|-
			!2024
			\|60
			\|160
			\|0
			\|8
			\|4
			\|21
			\|8
			\|0
			\|TBD
			\|3
			\|colspan=5\|Unknown
			\|-
			!2025
			\|50
			\|172
			\|0
			\|6
			\|0
			\|colspan=5\|TBD
			\|colspan=5\|TBD
	\|}		\|}

Line 119:		Line 141:
	* The <b>Inventory</b> column contains the total number of units on-hand at the end of the season.		* The <b>Inventory</b> column contains the total number of units on-hand at the end of the season.
	* The <b>Usage</b> column contains the number of units used during the season (the prior year's inventory plus the order minus the usage).		* The <b>Usage</b> column contains the number of units used during the season (the prior year's inventory plus the order minus the usage).
	* <b>Ca(ClO)₂</b> is Calcium Hypochlorite ~~([https://accu~~-~~tab.com/ Accu-Tab] tablets), measured in 50-lb buckets~~.		* <b>Ca(ClO)₂</b> is Calcium Hypochlorite - see 2024 notes for details.
	* <b>HCl</b> is hydrochloric (muriatic) acid, measured in 1-gallon containers. Typically 4 gallons are packed in a case.		* <b>HCl</b> is hydrochloric (muriatic) acid, measured in 1-gallon containers. Typically 4 gallons are packed in a case.
	* <b>CaCl₂</b> is calcium chloride, measured in 50-lb bags.		* <b>CaCl₂</b> is calcium chloride, measured in 50-lb bags.
Line 137:		Line 159:
	However, excess purchase of sodium bicarbonate was necessary to keep the pool alkalinity in range (compared to data from 2016-2019). The amount of stabilizer in the pool was also regularly low.		However, excess purchase of sodium bicarbonate was necessary to keep the pool alkalinity in range (compared to data from 2016-2019). The amount of stabilizer in the pool was also regularly low.

	=== 2022 ~~and Later~~ ===		=== 2022 ===

	Starting in 2022, it was determined that there is no need to purchase calcium chloride. The calcium added by the calcium hypochlorite, in addition to the hardness in the city water supply, is more than sufficient to keep the water hardness within desired bounds.		Starting in 2022, it was determined that there is no need to purchase calcium chloride. The calcium added by the calcium hypochlorite, in addition to the hardness in the city water supply, is more than sufficient to keep the water hardness within desired bounds.
Line 144:		Line 166:

	A high burn rate of sanitizer was observed in early 2022. A modest stabilizer level is deemed necessary in the pool water.		A high burn rate of sanitizer was observed in early 2022. A modest stabilizer level is deemed necessary in the pool water.

			=== 2024 ===

			In 2024, the chlorinator was changed from an [https://accu-tab.com/ Accu-Tab] tablet system (which used 60-lb buckets) to a Pulsar briquette system (which uses 50-lb buckets). Inventory and usage to be noted as such. Unfortunately, it appears the during the changeover period, we did not inventory chemicals on-hand. So, usage for 2023 and 2024 is unknown (unless the missing inventory data is located).

			=== 2025 ===

			Lacking data for usage in 2023 and 2024, it's a bit difficult to know how much chlorine is required. With 21 buckets on-hand, 50 additional buckets will be ordered. As these buckets are 50 lb, this is equivalent to about 57 x 60-lb buckets. It's not clear if the Pulsar system uses more or less chlorine - again, lacking data (and also lacking supporting data for burn rate based on weather and pool usage). As acid was nearly depleted in 2024, ordering extra (172) for 2025 may make sense. If memory serves, we nearly ran out in 2023.

Matt Parnell: /* Summary */

2023-02-18T11:48:43Z

Summary

← Older revision		Revision as of 11:48, 18 February 2023
Line 119:		Line 119:
	* The <b>Inventory</b> column contains the total number of units on-hand at the end of the season.		* The <b>Inventory</b> column contains the total number of units on-hand at the end of the season.
	* The <b>Usage</b> column contains the number of units used during the season (the prior year's inventory plus the order minus the usage).		* The <b>Usage</b> column contains the number of units used during the season (the prior year's inventory plus the order minus the usage).
	* <b>Ca(ClO)₂</b> is Calcium Hypochlorite (Accu-Tab tablets), measured in 50-lb buckets.		* <b>Ca(ClO)₂</b> is Calcium Hypochlorite ([https://accu-tab.com/ Accu-Tab] tablets), measured in 50-lb buckets.
	* <b>HCl</b> is hydrochloric (muriatic) acid, measured in 1-gallon containers. Typically 4 gallons are packed in a case.		* <b>HCl</b> is hydrochloric (muriatic) acid, measured in 1-gallon containers. Typically 4 gallons are packed in a case.
	* <b>CaCl₂</b> is calcium chloride, measured in 50-lb bags.		* <b>CaCl₂</b> is calcium chloride, measured in 50-lb bags.

Matt Parnell: /* Summary */

2023-02-18T11:46:32Z

Summary

← Older revision		Revision as of 11:46, 18 February 2023
Line 120:		Line 120:
	* The <b>Usage</b> column contains the number of units used during the season (the prior year's inventory plus the order minus the usage).		* The <b>Usage</b> column contains the number of units used during the season (the prior year's inventory plus the order minus the usage).
	* <b>Ca(ClO)₂</b> is Calcium Hypochlorite (Accu-Tab tablets), measured in 50-lb buckets.		* <b>Ca(ClO)₂</b> is Calcium Hypochlorite (Accu-Tab tablets), measured in 50-lb buckets.
	* <b>HCl</b> is hydrochloric (muriatic) acid, measured in 1-gallon containers. Typically 4 gallons are packed in a ~~box~~.		* <b>HCl</b> is hydrochloric (muriatic) acid, measured in 1-gallon containers. Typically 4 gallons are packed in a case.
	* <b>CaCl₂</b> is calcium chloride, measured in 50-lb bags.		* <b>CaCl₂</b> is calcium chloride, measured in 50-lb bags.
	* <b>NaHCO₃</b> is sodium bicarbonate, measured in 50-lb bags.		* <b>NaHCO₃</b> is sodium bicarbonate, measured in 50-lb bags.

Matt Parnell: /* Notes */

2023-02-18T11:46:11Z

Notes

← Older revision		Revision as of 11:46, 18 February 2023
Line 127:		Line 127:
	== Notes ==		== Notes ==

	=== Pre 2021 ===		=== Pre-2021 ===

	Chemical orders were not well tracked. Early season discounts not fully utilized due to repeat orders (sometimes up to 5 orders in a season, ~~also~~ resulting in added delivery charges).		Chemical orders were not well-tracked. Early season discounts were not fully utilized due to repeat orders (sometimes up to 5 orders in a season, resulting in added delivery charges).

	=== 2021 ===		=== 2021 ===

	The chemical order was based ~~upon~~ 2016 through 2019 averages. The ~~end~~ result was a planned excess of some chlorine and acid. No additional orders for chlorine and acid were made, so the pre-season discounts were fully utilized.		The chemical order was based on 2016 through 2019 averages. The result was a planned excess of some chlorine and acid. No additional orders for chlorine and acid were made, so the pre-season discounts were fully utilized.

	However, excess purchase of sodium bicarbonate was necessary to keep the pool alkalinity in range (compared to data from 2016-2019). The amount of stabilizer in the pool was also regularly low.		However, excess purchase of sodium bicarbonate was necessary to keep the pool alkalinity in range (compared to data from 2016-2019). The amount of stabilizer in the pool was also regularly low.
Line 141:		Line 141:
	Starting in 2022, it was determined that there is no need to purchase calcium chloride. The calcium added by the calcium hypochlorite, in addition to the hardness in the city water supply, is more than sufficient to keep the water hardness within desired bounds.		Starting in 2022, it was determined that there is no need to purchase calcium chloride. The calcium added by the calcium hypochlorite, in addition to the hardness in the city water supply, is more than sufficient to keep the water hardness within desired bounds.

	A high burn rate of sanitizer was observed in early 2022. A modest level ~~of stabilizer~~ is deemed necessary in the pool water ~~going forward~~.		The early season discounts ended in 2022 (with our primary supplier) due to inflation and supply chain issues. We still aim to purchase all chemicals up-front to minimize delivery charges.

			A high burn rate of sanitizer was observed in early 2022. A modest stabilizer level is deemed necessary in the pool water.

Matt Parnell: /* Summary */

2023-02-13T13:10:12Z

Summary

← Older revision		Revision as of 13:10, 13 February 2023
Line 25:		Line 25:
	!(CNOH)₃		!(CNOH)₃
	\|-		\|-
	\|2016		!2016
	\|50		\|50
	\|108		\|108
Line 33:		Line 33:
	\|colspan=10\|No Data		\|colspan=10\|No Data
	\|-		\|-
	\|2017		!2017
	\|40		\|40
	\|212		\|212
Line 41:		Line 41:
	\|colspan=10\|No Data		\|colspan=10\|No Data
	\|-		\|-
	\|2018		!2018
	\|63		\|63
	\|132		\|132
Line 49:		Line 49:
	\|colspan=10\|No Data		\|colspan=10\|No Data
	\|-		\|-
	\|2019		!2019
	\|72		\|72
	\|160		\|160
Line 57:		Line 57:
	\|colspan=10\|No Data		\|colspan=10\|No Data
	\|-		\|-
	\|2020		!2020
	\|30		\|30
	\|120		\|120
Line 70:		Line 70:
	\|colspan=5\|No Data		\|colspan=5\|No Data
	\|-		\|-
	\|2021		!2021
	\|60		\|60
	\|30		\|30
Line 87:		Line 87:
	\|0		\|0
	\|-		\|-
	\|2022		!2022
	\|55+10		\|55+10
	\|152		\|152
Line 104:		Line 104:
	\|4		\|4
	\|-		\|-
	\|2023		!2023
	\|55		\|55
	\|140		\|140
Line 110:		Line 110:
	\|8		\|8
	\|6		\|6
			\|colspan=5\|Pending (Sep 2023)
			\|colspan=5\|Pending (Sep 2023)
	\|}		\|}

Matt Parnell: /* 2022 */

2023-02-13T13:07:26Z

2022

← Older revision		Revision as of 13:07, 13 February 2023
Line 135:		Line 135:
	However, excess purchase of sodium bicarbonate was necessary to keep the pool alkalinity in range (compared to data from 2016-2019). The amount of stabilizer in the pool was also regularly low.		However, excess purchase of sodium bicarbonate was necessary to keep the pool alkalinity in range (compared to data from 2016-2019). The amount of stabilizer in the pool was also regularly low.

	=== 2022 ===		=== 2022 and Later ===

	~~For~~ 2022, there is no need to purchase calcium chloride.		Starting in 2022, it was determined that there is no need to purchase calcium chloride. The calcium added by the calcium hypochlorite, in addition to the hardness in the city water supply, is more than sufficient to keep the water hardness within desired bounds.

	~~Chemical orders for 2022 are under pending review~~ in early ~~spring (~~2022).		A high burn rate of sanitizer was observed in early 2022. A modest level of stabilizer is deemed necessary in the pool water going forward.

Matt Parnell: /* Summary */

2023-02-13T13:05:20Z

Summary

@@ Line 6: / Line 6: @@
 !rowspan=2|Year
 !colspan=5|Order
-!colspan=5|Year-End Inventory
+!colspan=5|Inventory
-!colspan=5|Calculated Usage
+!colspan=5|Usage
 |-
 !Ca(ClO)₂
@@ Line 110: / Line 110: @@
 |8
 |6
 |}
@@ Line 198: / Line 116: @@
 * The <b>Order</b> column contains the total number of units ordered for the entire season.  If subsequent orders or made (beyond the pre-season order), this should be noted in the notes, below.
 * The <b>Inventory</b> column contains the total number of units on-hand at the end of the season.
-* The <b>Usage</b> column contains the number of units used during the season (prior inventory plus the order minus usage).
+* The <b>Usage</b> column contains the number of units used during the season (the prior year's inventory plus the order minus the usage).
+* <b>Ca(ClO)₂</b> is Calcium Hypochlorite (Accu-Tab tablets), measured in 50-lb buckets.
-A "unit" refers to the package quantity (i.e. 50 lb, 1 gal, etc.).
+* <b>HCl</b> is hydrochloric (muriatic) acid, measured in 1-gallon containers.  Typically 4 gallons are packed in a box.
 == Notes ==

Matt Parnell: /* Summary */

2023-02-13T12:59:07Z

Summary

← Older revision		Revision as of 12:59, 13 February 2023
Line 2:		Line 2:

	== Summary ==		== Summary ==

			{\| class="wikitable"
			!rowspan=2\|Year
			!colspan=5\|Order
			!colspan=5\|Year-End Inventory
			!colspan=5\|Calculated Usage
			\|-
			!Ca(ClO)₂
			!HCl
			!CaCl₂
			!NaHCO₃
			!(CNOH)₃
			!Ca(ClO)₂
			!HCl
			!CaCl₂
			!NaHCO₃
			!(CNOH)₃
			!Ca(ClO)₂
			!HCl
			!CaCl₂
			!NaHCO₃
			!(CNOH)₃
			\|-
			\|2016
			\|50
			\|108
			\|3
			\|2
			\|5
			\|colspan=10\|No Data
			\|-
			\|2017
			\|40
			\|212
			\|1
			\|7
			\|4
			\|colspan=10\|No Data
			\|-
			\|2018
			\|63
			\|132
			\|1
			\|3
			\|2
			\|colspan=10\|No Data
			\|-
			\|2019
			\|72
			\|160
			\|1
			\|2
			\|1
			\|colspan=10\|No Data
			\|-
			\|2020
			\|30
			\|120
			\|1
			\|1
			\|2
			\|5
			\|130
			\|4
			\|0
			\|3
			\|colspan=5\|No Data
			\|-
			\|2021
			\|60
			\|30
			\|0
			\|11
			\|TBD
			\|10
			\|15
			\|3
			\|0
			\|0
			\|55
			\|145
			\|1
			\|11
			\|0
			\|-
			\|2022
			\|55+10
			\|152
			\|0
			\|8
			\|4
			\|9
			\|32
			\|3
			\|0
			\|0
			\|66
			\|135
			\|0
			\|8
			\|4
			\|-
			\|2023
			\|55
			\|140
			\|0
			\|8
			\|6
			\|}

	{\| class="wikitable"		{\| class="wikitable"

Matt Parnell: /* 2022 */

2021-10-17T11:38:13Z

2022

← Older revision		Revision as of 11:38, 17 October 2021
Line 108:		Line 108:

	For 2022, there is no need to purchase calcium chloride.		For 2022, there is no need to purchase calcium chloride.

			Chemical orders for 2022 are under pending review in early spring (2022).