36
pH Decrease
- lowering total alkalinity and decreasing your pH levels.
Desired ppm decrease
Venus
Aquila II
Orion
Hydra
.2
1 ⅔ tsp
2 tsp
2 ½ tsp
2 ¾ tsp
.4
3 ¼ tsp
4 tsp
4 ¾ tsp
5 ⅔ tsp
.6
4 ¾ tsp
6 tsp
7 ¼ tsp
8 ¼ tsp
.8
6 ½ tsp
8 tsp
9 ⅔ tsp
11 ¼ tsp
1.0
8 tsp
10 tsp
12 tsp
14 tsp
Alkalinity Up
- balancing total alkalinity with alkalinity up.
Desired ppm increase
Venus
Aquila II
Orion
Hydra
10
1 Tbsp
1 ¼ Tbsp
1 ½ Tbsp
1 ¾ Tbsp
20
2 Tbsp
2 ½ Tbsp
3 Tbsp
3 ½ Tbsp
30
3 Tbsp
3 ½ Tbsp
4 ½ Tbsp
5 ¼ Tbsp
40
4 Tbsp
4 ¾ Tbsp
6 Tbsp
7 Tbsp
50
5 Tbsp
6 Tbsp
7 ½ Tbsp
8 ¾ Tbsp
60
6 Tbsp
7 Tbsp
9 Tbsp
10 ½ Tbsp
70
7 Tbsp
8 ¼ Tbsp
10 ½ Tbsp
12 ¼ Tbsp
80
8 Tbsp
9 ½ Tbsp
12 Tbsp
14 Tbsp
90
9 Tbsp
10 ½ Tbsp
13 ½ Tbsp
15 ¾ Tbsp
100
10 Tbsp
11 ¾ Tbsp
15 Tbsp
17 ½ Tbsp
Water Hardener
- for increasing calcium content and total hardness
Desired ppm increase
Venus
Aquila II
Orion
Hydra
50
4 ¾ Tbsp
4 ¾
5 ¾ Tbsp
6 ¾ Tbsp
100
½ Cup
⅔ Cup
¾ Cup
¾ Cup + 3 Tbsp
200
1 Cup
1 ¼ Cup
1 ½ Cup
1 ¾ Cup
300
1 ½ Cup
1 ¾ Cup
2 ¼ Cup
2 ½ Cup
Cyanuric Acid
- once this gets to over 50, it is time to drain your spa.
Cartridge Cleaner
- we recommend that you clean your spa’s filters fortnightly:
+
Soak for 24 hours in a bucket with a cartridge cleaner.
+
Rinse with water and dry thoroughly to reduce frothing.
+
Place back into the pool.
Draining your spa
- it is advised that you change your water every three months.
